CST Review. Chapter 3 Standards Assessment 2. In the sentence “The process of burning wood liberates heat,” what does the word liberates mean? A.steals

CST ReviewCST Review

Chapter 3 Standards Assessment

2.2. In the sentence “The process of burning In the sentence “The process of burning wood liberates heat,” what does the wood liberates heat,” what does the word word liberatesliberates mean? mean?A.A. stealssteals

B.B. releasesreleases

C.C. createscreates

D.D. imitatesimitates


2.2. In the sentence “The process of burning In the sentence “The process of burning wood liberates heat,” what does the wood liberates heat,” what does the word word liberatesliberates mean? mean?A.A. stealssteals

B.B. releasesreleases

C.C. createscreates

D.D. imitatesimitates


3.3. In the sentence “Ash is formed by the In the sentence “Ash is formed by the chemical reaction between wood and fire,” chemical reaction between wood and fire,” what does the term what does the term chemical reactionchemical reaction mean?mean?A.A. a process that changes the molecular a process that changes the molecular

composition of a substancecomposition of a substance

B.B. a process of igniting something, burning it, and a process of igniting something, burning it, and recording the resultsrecording the results

C.C. a process that affects the appearance but not a process that affects the appearance but not the molecular structurethe molecular structure

D.D. a process of using chemicals to break down a process of using chemicals to break down molecular structuresmolecular structures


3.3. In the sentence “Ash is formed by the In the sentence “Ash is formed by the chemical reaction between wood and fire,” chemical reaction between wood and fire,” what does the term what does the term chemical reactionchemical reaction mean? mean?A.A. a process that changes the molecular a process that changes the molecular

composition of a substancecomposition of a substance

B.B. a process of igniting something, burning it, and a process of igniting something, burning it, and recording the resultsrecording the results

C.C. a process that affects the appearance but not a process that affects the appearance but not the molecular structurethe molecular structure

D.D. a process of using chemicals to break down a process of using chemicals to break down molecular structuresmolecular structures


4.4. In the sentence “Density is a physical In the sentence “Density is a physical property,” what does the term property,” what does the term physicalphysical mean?mean?A.A. having to do with chemicalshaving to do with chemicals

B.B. having to do with volumehaving to do with volume

C.C. having to do with the bodyhaving to do with the body

D.D. having to do with matterhaving to do with matter


4.4. In the sentence “Density is a physical In the sentence “Density is a physical property,” what does the term property,” what does the term physicalphysical mean?mean?A.A. having to do with chemicalshaving to do with chemicals

B.B. having to do with volumehaving to do with volume

C.C. having to do with the bodyhaving to do with the body

D.D. having to do with matterhaving to do with matter


5.5. Which physical property of an object Which physical property of an object can be determined by dividing its mass can be determined by dividing its mass by its volume?by its volume?A.A. weightweight

B.B. densitydensity

C.C. ductilityductility

D.D. statestate


5.5. Which physical property of an object Which physical property of an object can be determined by dividing its mass can be determined by dividing its mass by its volume?by its volume?A.A. weightweight

B.B. densitydensity

C.C. ductilityductility

D.D. statestate


6.6. What is the volume of the solid pictured What is the volume of the solid pictured below?below?A.A. 12 cm12 cm22

B.B. 12 cm12 cm33

C.C. 36 cm36 cm22

D.D. 36 cm36 cm33


6.6. What is the volume of the solid pictured What is the volume of the solid pictured below?below?A.A. 12 cm12 cm22

B.B. 12 cm12 cm33

C.C. 36 cm36 cm22

D.D. 36 cm36 cm33


7.7. Which of the following is a chemical Which of the following is a chemical property that describes copper? property that describes copper? A.A. conductiveconductive

B.B. ductileductile

C.C. solublesoluble

D.D. reactivereactive


7.7. Which of the following is a chemical Which of the following is a chemical property that describes copper? property that describes copper? A.A. conductiveconductive

B.B. ductileductile

C.C. solublesoluble

D.D. reactivereactive


8.8. Which of the following describes signs Which of the following describes signs that a chemical change is occurring?that a chemical change is occurring?A.A. A substance changes shape or state.A substance changes shape or state.

B.B. A substance gives off or absorbs heat.A substance gives off or absorbs heat.

C.C. A substance is dense and malleable.A substance is dense and malleable.

D.D. A substance is flammable and reactive.A substance is flammable and reactive.


8.8. Which of the following describes signs Which of the following describes signs that a chemical change is occurring?that a chemical change is occurring?A.A. A substance changes shape or state.A substance changes shape or state.

B.B. A substance gives off or absorbs heat.A substance gives off or absorbs heat.

C.C. A substance is dense and malleable.A substance is dense and malleable.

D.D. A substance is flammable and reactive.A substance is flammable and reactive.


Use the table below to answer the next question.Use the table below to answer the next question.


9.9. A solid sample has a mass of 22.5 g and A solid sample has a mass of 22.5 g and displaces 30 mL of water. Use the table displaces 30 mL of water. Use the table above to determine which sentence best above to determine which sentence best describes the solid sample.describes the solid sample.A.A. It is denser than mercury.It is denser than mercury.

B.B. It is less dense than water.It is less dense than water.

C.C. It is less dense than helium.It is less dense than helium.

D.D. It is denser than zinc.It is denser than zinc.


9.9. A solid sample has a mass of 22.5 g and A solid sample has a mass of 22.5 g and displaces 30 mL of water. Use the table displaces 30 mL of water. Use the table above to determine which sentence best above to determine which sentence best describes the solid sample.describes the solid sample.A.A. It is denser than mercury.It is denser than mercury.

B.B. It is less dense than water.It is less dense than water.

C.C. It is less dense than helium.It is less dense than helium.

D.D. It is denser than zinc.It is denser than zinc.


10.10. Substances can undergo physical Substances can undergo physical changes or chemical changes. What is the changes or chemical changes. What is the difference between these two kinds of difference between these two kinds of changes?changes?A.A. A chemical change can often be undone, and a A chemical change can often be undone, and a

physical change cannot.physical change cannot.

B.B. A physical change cannot be observed easily, and a A physical change cannot be observed easily, and a chemical change can.chemical change can.

C.C. A chemical change affects only the physical A chemical change affects only the physical properties of a substance. A physical changeproperties of a substance. A physical change

D.D. A physical change does not affect the identity of a A physical change does not affect the identity of a substance. A chemical change changes the substance. A chemical change changes the molecular structure of a substance.molecular structure of a substance.


10.10. Substances can undergo physical Substances can undergo physical changes or chemical changes. What is the changes or chemical changes. What is the difference between these two kinds of difference between these two kinds of changes?changes?A.A. A chemical change can often be undone, and a A chemical change can often be undone, and a

physical change cannot.physical change cannot.

B.B. A physical change cannot be observed easily, and a A physical change cannot be observed easily, and a chemical change can.chemical change can.

C.C. A chemical change affects only the physical A chemical change affects only the physical properties of a substance. A physical changeproperties of a substance. A physical change

D.D. A physical change does not affect the identity of a A physical change does not affect the identity of a substance. A chemical change changes the substance. A chemical change changes the molecular structure of a substance.molecular structure of a substance.


11.11. Which physical property can you Which physical property can you use to determine if a substance will float use to determine if a substance will float in water?in water?A.A. densitydensity

B.B. volumevolume

C.C. malleabilitymalleability

D.D. conductivityconductivity


11.11. Which physical property can you Which physical property can you use to determine if a substance will float use to determine if a substance will float in water?in water?A.A. densitydensity

B.B. volumevolume

C.C. malleabilitymalleability

D.D. conductivityconductivity


12.12. What properties do the metals What properties do the metals aluminum, copper, silver, and gold have aluminum, copper, silver, and gold have in common?in common?A.A. They conduct heat and electricity well.They conduct heat and electricity well.

B.B. They are brittle and do not bend easily.They are brittle and do not bend easily.

C.C. They do not chemically react.They do not chemically react.

D.D. They are liquid at room temperature.They are liquid at room temperature.


12.12. What properties do the metals What properties do the metals aluminum, copper, silver, and gold have aluminum, copper, silver, and gold have in common?in common?A.A. They conduct heat and electricity well.They conduct heat and electricity well.

B.B. They are brittle and do not bend easily.They are brittle and do not bend easily.

C.C. They do not chemically react.They do not chemically react.

D.D. They are liquid at room temperature.They are liquid at room temperature.


13.13. A student pours a material through a A student pours a material through a filter. Some particles get caught in the filter filter. Some particles get caught in the filter and some pass through. This material can be and some pass through. This material can be best described as abest described as aA.A. nonmetal.nonmetal.

B.B. mixture.mixture.

C.C. metal.metal.

D.D. compound.compound.


13.13. A student pours a material through a A student pours a material through a filter. Some particles get caught in the filter. Some particles get caught in the filter and some pass through. This filter and some pass through. This material can be best described as amaterial can be best described as aA.A. nonmetal.nonmetal.

B.B. mixture.mixture.

C.C. metal.metal.

D.D. compound.compound.


14.14. Which of the following sentences best Which of the following sentences best describes table salt, NaCl?describes table salt, NaCl?A.A. Table salt is a compound made from two gases.Table salt is a compound made from two gases.

B.B. Table salt is a compound made from a solid and Table salt is a compound made from a solid and a liquid.a liquid.

C.C. Table salt is a compound made from two metals.Table salt is a compound made from two metals.

D.D. Table salt is a compound made from a metal and Table salt is a compound made from a metal and a nonmetal.a nonmetal.


14.14. Which of the following sentences best Which of the following sentences best describes table salt, NaCl?describes table salt, NaCl?A.A. Table salt is a compound made from two gases.Table salt is a compound made from two gases.

B.B. Table salt is a compound made from a solid and Table salt is a compound made from a solid and a liquid.a liquid.

C.C. Table salt is a compound made from two metals.Table salt is a compound made from two metals.

D.D. Table salt is a compound made from a metal and Table salt is a compound made from a metal and a nonmetal.a nonmetal.


15.15. An element is made up ofAn element is made up ofA.A. two kinds of atoms.two kinds of atoms.

B.B. one kind of molecule.one kind of molecule.

C.C. one kind of atom.one kind of atom.

D.D. two kinds of molecules.two kinds of molecules.


15.15. An element is made up ofAn element is made up ofA.A. two kinds of atoms.two kinds of atoms.

B.B. one kind of molecule.one kind of molecule.

C.C. one kind of atom.one kind of atom.

D.D. two kinds of molecules.two kinds of molecules.


5.5. What is the unit that astronomers use to What is the unit that astronomers use to measure the distances between Earth and measure the distances between Earth and stars called?stars called?A.A. apparent magnitudeapparent magnitude

B.B. absolute magnitudeabsolute magnitude

C.C. light-yearlight-year

D.D. parallaxparallax


5.5. What is the unit that astronomers use to What is the unit that astronomers use to measure the distances between Earth measure the distances between Earth and stars called?and stars called?A.A. apparent magnitudeapparent magnitude

B.B. absolute magnitudeabsolute magnitude

C.C. light-yearlight-year

D.D. parallaxparallax


6.6. Which of the following stars has the Which of the following stars has the coolest temperature?coolest temperature?A.A. a blue-white stara blue-white star

B.B. a yellow stara yellow star

C.C. a yellow-white stara yellow-white star

D.D. an orange staran orange star


6.6. Which of the following stars has the Which of the following stars has the coolest temperature?coolest temperature?A.A. a blue-white stara blue-white star

B.B. a yellow stara yellow star

C.C. a yellow-white stara yellow-white star

D.D. an orange staran orange star


7.7. What do scientists learn by studying the What do scientists learn by studying the pattern of lines in a star’s absorption pattern of lines in a star’s absorption spectrum?spectrum?A.A. the brightness of the starthe brightness of the star

B.B. the elements of the starthe elements of the star

C.C. the distance of the star from Earththe distance of the star from Earth

D.D. the size of the starthe size of the star


7.7. What do scientists learn by studying the What do scientists learn by studying the pattern of lines in a star’s absorption pattern of lines in a star’s absorption spectrum?spectrum?A.A. the brightness of the starthe brightness of the star

B.B. the elements of the starthe elements of the star

C.C. the distance of the star from Earththe distance of the star from Earth

D.D. the size of the starthe size of the star


8.8. The picture below shows an example ofThe picture below shows an example ofA.A. an elliptical galaxy. an elliptical galaxy.

B.B. an irregular galaxy.an irregular galaxy.

C.C. a supernova.a supernova.

D.D. a spiral galaxy.a spiral galaxy.


8.8. The picture below shows an example ofThe picture below shows an example ofA.A. an elliptical galaxy.an elliptical galaxy.

B.B. an irregular galaxy.an irregular galaxy.

C.C. a supernova.a supernova.

D.D. a spiral galaxy.a spiral galaxy.


10.10. The universe contains galaxies, stars, The universe contains galaxies, stars, and planets. How does gravity affect these and planets. How does gravity affect these bodies in space?bodies in space?A.A. Gravity pulls bodies away from each other.Gravity pulls bodies away from each other.

B.B. Gravity organizes bodies into nebulas, galaxies, Gravity organizes bodies into nebulas, galaxies, and planetary systems.and planetary systems.

C.C. Gravity attracts bodies with similar compositions Gravity attracts bodies with similar compositions to each other.to each other.

D.D. Gravity causes bodies to be scattered randomly Gravity causes bodies to be scattered randomly throughout the universethroughout the universe


10.10. The universe contains galaxies, stars, The universe contains galaxies, stars, and planets. How does gravity affect these and planets. How does gravity affect these bodies in space?bodies in space?A.A. Gravity pulls bodies away from each other.Gravity pulls bodies away from each other.

B.B. Gravity organizes bodies into nebulas, galaxies, Gravity organizes bodies into nebulas, galaxies, and planetary systems.and planetary systems.

C.C. Gravity attracts bodies with similar compositions Gravity attracts bodies with similar compositions to each other.to each other.

D.D. Gravity causes bodies to be scattered randomly Gravity causes bodies to be scattered randomly throughout the universe.throughout the universe.


11.11. Which of the following particles is Which of the following particles is always found in the nucleus of an atom?always found in the nucleus of an atom?A.A. protonsprotons

B.B. neutronsneutrons

C.C. electronselectrons

D.D. positronspositrons


11.11. Which of the following particles is Which of the following particles is always found in the nucleus of an always found in the nucleus of an atom?atom?A.A. protonsprotons

B.B. neutronsneutrons

C.C. electronselectrons

D.D. positronspositrons


12.12. Which group in the periodic table Which group in the periodic table contains helium?contains helium?A.A. Group 18, the noble gasesGroup 18, the noble gases

B.B. Group 13, the boron groupGroup 13, the boron group

C.C. Group 15, the nitrogen groupGroup 15, the nitrogen group

D.D. Group 1, the alkali metalsGroup 1, the alkali metals


12.12. Which group in the periodic table Which group in the periodic table contains helium?contains helium?A.A. Group 18, the noble gasesGroup 18, the noble gases

B.B. Group 13, the boron groupGroup 13, the boron group

C.C. Group 15, the nitrogen groupGroup 15, the nitrogen group

D.D. Group 1, the alkali metalsGroup 1, the alkali metals


1.1. In the sentence “Each element has distinct In the sentence “Each element has distinct physical and chemical properties,” what physical and chemical properties,” what does the word does the word distinctdistinct mean? mean?

A.A. easy to hear, see, or smelleasy to hear, see, or smell

B.B. large enough to be noticedlarge enough to be noticed

C.C. clearly different and separateclearly different and separate

D.D. very great in degreevery great in degree


1.1. In the sentence “Each element has distinct In the sentence “Each element has distinct physical and chemical properties,” what does physical and chemical properties,” what does the word the word distinctdistinct mean? mean?

A.A. easy to hear, see, or smelleasy to hear, see, or smell

B.B. large enough to be noticedlarge enough to be noticed

C.C. clearly different and separateclearly different and separate

D.D. very great in degreevery great in degree


2.2. Which of the following words is the Which of the following words is the closest in meaning to the word closest in meaning to the word structurestructure??

A.A. compositioncomposition

B.B. stabilitystability

C.C. functionfunction

D.D. combinationcombination


2.2. Which of the following words is the Which of the following words is the closest in meaning to the word closest in meaning to the word structurestructure??

A.A. compositioncomposition

B.B. stabilitystability

C.C. functionfunction

D.D. combinationcombination


5.5. The state of matter of a substance The state of matter of a substance depends upon how the particles in that depends upon how the particles in that substancesubstance

A.A. freeze.freeze.

B.B. move.move.

C.C. expand.expand.

D.D. shrink.shrink.


5.5. The state of matter of a substance The state of matter of a substance depends upon how the particles in that depends upon how the particles in that substancesubstance

A.A. freeze.freeze.

B.B. move.move.

C.C. expand.expand.

D.D. shrink.shrink.


6.6. A substance changes state from a liquid A substance changes state from a liquid to a solid. Which of the following is true to a solid. Which of the following is true of that substance?of that substance?

A.A. It passes through a plasma state.It passes through a plasma state.

B.B. It can return to a liquid state.It can return to a liquid state.

C.C. It will soon become a gas.It will soon become a gas.

D.D. It will remain permanently solid.It will remain permanently solid.


6.6. A substance changes state from a liquid A substance changes state from a liquid to a solid. Which of the following is true to a solid. Which of the following is true of that substance?of that substance?

A.A. It passes through a plasma state.It passes through a plasma state.

B.B. It can return to a liquid state.It can return to a liquid state.

C.C. It will soon become a gas.It will soon become a gas.

D.D. It will remain permanently solid.It will remain permanently solid.


Use the graph below to answer the next question.Use the graph below to answer the next question.


7.7. The graph above shows the effect of adding energy to The graph above shows the effect of adding energy to water at sea level. When the temperature reaches 100water at sea level. When the temperature reaches 100ooC, C, what happens to the water molecules as energy continues what happens to the water molecules as energy continues to be added?to be added?

A.A. The water molecules gain energy as the The water molecules gain energy as the temperature continues to rise.temperature continues to rise.

B.B. The water molecules gain no energy and the The water molecules gain no energy and the temperature stays the same.temperature stays the same.

C.C. The water molecules become more ordered as the The water molecules become more ordered as the state changes to gas.state changes to gas.

D.D. The water molecules move farther apart as the The water molecules move farther apart as the state changes to a gas.state changes to a gas.


7.7. The graph above shows the effect of adding energy to The graph above shows the effect of adding energy to water at sea level. When the temperature reaches water at sea level. When the temperature reaches 100100ooC, what happens to the water molecules as C, what happens to the water molecules as energy continues to be added?energy continues to be added?

A.A. The water molecules gain energy as the The water molecules gain energy as the temperature continues to rise.temperature continues to rise.

B.B. The water molecules gain no energy and the The water molecules gain no energy and the temperature stays the same.temperature stays the same.

C.C. The water molecules become more ordered as The water molecules become more ordered as the the

state changes to gas.state changes to gas.

D.D. The water molecules move farther apart as the The water molecules move farther apart as the state changes to a gas.state changes to a gas.


8.8. Which of the following statements best describes Which of the following statements best describes the particles contained in a glass of milk?the particles contained in a glass of milk?

A.A. They are closely locked into position and They are closely locked into position and can only can only

vibrate.vibrate.

B.B. They are loosely connected and can slide They are loosely connected and can slide past past

each other.each other.

C.C. They have broken apart.They have broken apart.

D.D. They move about freely.They move about freely.


8.8. Which of the following statements best describes Which of the following statements best describes the particles contained in a glass of milk?the particles contained in a glass of milk?

A.A. They are closely locked into position and They are closely locked into position and can only can only

vibrate.vibrate.

B.B. They are loosely connected and can slide They are loosely connected and can slide past past

each other.each other.

C.C. They have broken apart.They have broken apart.

D.D. They move about freely.They move about freely.


9.9. Which of the following sentences best describes the Which of the following sentences best describes the process that occurs when liquid water becomes ice?process that occurs when liquid water becomes ice?

A.A. Energy is added to the water, so its molecules Energy is added to the water, so its molecules move more slowly.move more slowly.

B.B. Energy is added to the water, so its molecules Energy is added to the water, so its molecules move more quickly.move more quickly.

C.C. Energy is removed from the water, so its Energy is removed from the water, so its molecules lock into place.molecules lock into place.

D.D. Energy is removed from the water, so its Energy is removed from the water, so its molecules move apart.molecules move apart.


9.9. Which of the following sentences best describes the Which of the following sentences best describes the process that occurs when liquid water becomes ice?process that occurs when liquid water becomes ice?

A.A. Energy is added to the water, so its molecules Energy is added to the water, so its molecules move more slowly.move more slowly.

B.B. Energy is added to the water, so its molecules Energy is added to the water, so its molecules move more quickly.move more quickly.

C.C. Energy is removed from the water, so its Energy is removed from the water, so its molecules lock into place.molecules lock into place.

D.D. Energy is removed from the water, so its Energy is removed from the water, so its molecules move apart.molecules move apart.


10.10. A change in the state of matter always A change in the state of matter always includesincludes

A.A. a loss of energy.a loss of energy.

B.B. a gain of energy.a gain of energy.

C.C. a change in the chemical properties of a a change in the chemical properties of a substance.substance.

D.D. a change in the physical form of a substance.a change in the physical form of a substance.


10.10. A change in the state of matter always A change in the state of matter always includesincludes

A.A. a loss of energy.a loss of energy.

B.B. a gain of energy.a gain of energy.

C.C. a change in the chemical properties of a a change in the chemical properties of a substance.substance.

D.D. a change in the physical form of a substance.a change in the physical form of a substance.


11.11. Plasma is the most common state of Plasma is the most common state of matter in the universe. How are plasmas matter in the universe. How are plasmas different from gases?different from gases?

A.A. Plasmas conduct electric currents.Plasmas conduct electric currents.

B.B. Plasmas have a definite shape.Plasmas have a definite shape.

C.C. Plasmas have a definite volume.Plasmas have a definite volume.

D.D. Plasmas are unaffected by magnetism.Plasmas are unaffected by magnetism.


11.11. Plasma is the most common state of matter Plasma is the most common state of matter in the universe. How are plasmas different from in the universe. How are plasmas different from gases?gases?

A.A. Plasmas conduct electric currents.Plasmas conduct electric currents.

B.B. Plasmas have a definite shape.Plasmas have a definite shape.

C.C. Plasmas have a definite volume.Plasmas have a definite volume.

D.D. Plasmas are unaffected by magnetism.Plasmas are unaffected by magnetism.


13.13. The molecules in an unknown The molecules in an unknown substance collide with and slide past each substance collide with and slide past each other. They are moving quickly enough that other. They are moving quickly enough that the substance’s vapor pressure equals the the substance’s vapor pressure equals the atmospheric pressure. How would you atmospheric pressure. How would you classify the unknown substance?classify the unknown substance?

A.A. It is a gas at its condensation point.It is a gas at its condensation point.

B.B. It is a liquid at its boiling point.It is a liquid at its boiling point.

C.C. It is a solid at its melting point.It is a solid at its melting point.

D.D. It is a liquid at its freezing point.It is a liquid at its freezing point.


13.13. The molecules in an unknown The molecules in an unknown substance collide with and slide past each substance collide with and slide past each other. They are moving quickly enough that other. They are moving quickly enough that the substance’s vapor pressure equals the the substance’s vapor pressure equals the atmospheric pressure. How would you atmospheric pressure. How would you classify the unknown substance?classify the unknown substance?

A.A. It is a gas at its condensation point.It is a gas at its condensation point.

B.B. It is a liquid at its boiling point.It is a liquid at its boiling point.

C.C. It is a solid at its melting point.It is a solid at its melting point.

D.D. It is a liquid at its freezing point.It is a liquid at its freezing point.


Use the diagrams below to answer the next Use the diagrams below to answer the next question. The diagrams represent the question. The diagrams represent the distribution of substances in four samples.distribution of substances in four samples.


11.11. In the illustrations above, A and B are elements, In the illustrations above, A and B are elements, and <AB> is a compound of elements A and B. Which and <AB> is a compound of elements A and B. Which illustration represents a solution of A and B?illustration represents a solution of A and B?

A.A. Sample 1Sample 1

B.B. Sample 2Sample 2

C.C. Sample 3Sample 3

D.D. Sample 4Sample 4


11.11. In the illustrations above, A and B are In the illustrations above, A and B are elements, and <AB> is a compound of elements, and <AB> is a compound of elements A and B. Which illustration elements A and B. Which illustration represents a solution of A and B?represents a solution of A and B?

A.A. Sample 1Sample 1

B.B. Sample 2Sample 2

C.C. Sample 3Sample 3

D.D. Sample 4Sample 4


Use the table below to answer the next question.Use the table below to answer the next question.


8.8. Which two substances in the table Which two substances in the table above are most likely the same?above are most likely the same?

A.A. substances A and Csubstances A and C

B.B. substances B and Dsubstances B and D

C.C. substances C and Dsubstances C and D

D.D. substances A and Dsubstances A and D


8.8. Which two substances in the table Which two substances in the table above are most likely the same?above are most likely the same?

A.A. substances A and Csubstances A and C

B.B. substances B and Dsubstances B and D

C.C. substances C and Dsubstances C and D

D.D. substances A and Dsubstances A and D


6.6. Fundamental substances that cannot be broken Fundamental substances that cannot be broken down chemically into simpler substances aredown chemically into simpler substances are

A.A. elements.elements.

B.B. ions.ions.

C.C. bonds.bonds.

D.D. electrons.electrons.


6.6. Fundamental substances that cannot be broken Fundamental substances that cannot be broken down chemically into simpler substances are down chemically into simpler substances are

A.A. elements.elements.

B.B. ions.ions.

C.C. bonds.bonds.

D.D. electrons.electrons.


7.7. Imagine that you were asked to classify four Imagine that you were asked to classify four samples of equal and known volume, each of samples of equal and known volume, each of which was made up of a single element. Which which was made up of a single element. Which factor would be most useful for identifying them?factor would be most useful for identifying them?

A.A. massmass

B.B. shapeshape

C.C. hardnesshardness

D.D. original sourceoriginal source


7.7. Imagine that you were asked to classify four Imagine that you were asked to classify four samples of equal and known volume, each of samples of equal and known volume, each of which was made up of a single element. Which which was made up of a single element. Which factor would be most useful for identifying them?factor would be most useful for identifying them?

A.A. massmass

B.B. shapeshape

C.C. hardnesshardness

D.D. original sourceoriginal source

Documents

CST Review. Chapter 3 Standards Assessment 2. In the sentence “The process of burning wood liberates heat,” what does the word liberates mean? A.steals