Chemical properties review

Chemical Properties Chemical Properties Review 5Review 5

Chemical Properties 1Chemical Properties 1

Which of the following best describes the Which of the following best describes the atomic particle that engages in chemical atomic particle that engages in chemical reactions?reactions?

A.A. Positive charge, little mass, found outside the Positive charge, little mass, found outside the nucleusnucleus

B.B. Negative charge, little mass, found outside Negative charge, little mass, found outside the nucleusthe nucleus

C.C. Positive charge, large mass, found inside the Positive charge, large mass, found inside the nucleusnucleus

D.D. Negative charge, large mass, found outside Negative charge, large mass, found outside the nucleusthe nucleus


Which of the following best describes the Which of the following best describes the atomic particle that engages in chemical atomic particle that engages in chemical reactions?reactions?

A.A. Positive charge, little mass, found outside the Positive charge, little mass, found outside the nucleusnucleus

B.B. Negative charge, little mass, found outside Negative charge, little mass, found outside the nucleusthe nucleus

C.C. Positive charge, large mass, found inside the Positive charge, large mass, found inside the nucleusnucleus

D.D. Negative charge, large mass, found outside Negative charge, large mass, found outside the nucleusthe nucleus


A solid reacts with 40g of liquid to A solid reacts with 40g of liquid to produce a compound with a mass of produce a compound with a mass of 72g and a gas with a mass of 8g. 72g and a gas with a mass of 8g. What was the mass of the original What was the mass of the original solid?solid?

A.A. 8g8gB.B. 32g32gC.C. 40g40gD.D. 72g72g


A solid reacts with 40g of liquid to A solid reacts with 40g of liquid to produce a compound with a mass of produce a compound with a mass of 72g and a gas with a mass of 8g. 72g and a gas with a mass of 8g. What was the mass of the original What was the mass of the original solid?solid?

A.A. 8g8gB.B. 32g32gC.C. 40g40gD.D. 72g72g

Chemical Properties 3Chemical Properties 3 Which of the following correctly compares the Which of the following correctly compares the

elements in column 1A with the elements in the elements in column 1A with the elements in the middle columns?middle columns?

A.A. The elements in column 1A are denser than the The elements in column 1A are denser than the elements in the middle columnselements in the middle columns

B.B. The elements in the middle columns are poorer The elements in the middle columns are poorer conductors of electricity than the elements in column conductors of electricity than the elements in column 1A1A

C.C. The elements in column 1A are softer than the The elements in column 1A are softer than the elements in the middle columnselements in the middle columns

D.D. The elements in the middle columns have a greater The elements in the middle columns have a greater chemical reactivity than the elements in column 1A. chemical reactivity than the elements in column 1A.

Chemical Properties 3Chemical Properties 3 Which of the following correctly compares the Which of the following correctly compares the

elements in column 1A with the elements in the elements in column 1A with the elements in the middle columns?middle columns?

A.A. The elements in column 1A are denser than the The elements in column 1A are denser than the elements in the middle columnselements in the middle columns

B.B. The elements in the middle columns are poorer The elements in the middle columns are poorer conductors of electricity than the elements in column conductors of electricity than the elements in column 1A1A

C.C. The elements in column 1A are softer than the The elements in column 1A are softer than the elements in the middle columnselements in the middle columns

D.D. The elements in the middle columns have a greater The elements in the middle columns have a greater chemical reactivity than the elements in column 1A. chemical reactivity than the elements in column 1A.


You have a sample of an unknown You have a sample of an unknown element. At room temperature, this element. At room temperature, this element is a gas and reacts easily with element is a gas and reacts easily with other elements to form compounds. In other elements to form compounds. In which column of the periodic table does which column of the periodic table does this element most likely belong?this element most likely belong?

A.A. 2A2A

B.B. 5A5A

C.C. 7A7A

D.D. 8A 8A


You have a sample of an unknown You have a sample of an unknown element. At room temperature, this element. At room temperature, this element is a gas and reacts easily with element is a gas and reacts easily with other elements to form compounds. In other elements to form compounds. In which column of the periodic table does which column of the periodic table does this element most likely belong?this element most likely belong?

A.A. 2A2A

B.B. 5A5A

C.C. 7A7A

D.D. 8A 8A


Which of the following could not be Which of the following could not be the element magnesium?the element magnesium?

A.A. An ion with 11 electrons, 12 protons, An ion with 11 electrons, 12 protons, and 12 neutronsand 12 neutrons

B.B. An atom with 12 electrons, 12 protons, An atom with 12 electrons, 12 protons, and 13 neutronsand 13 neutrons

C.C. An ion with 12 electrons, 13 protons, An ion with 12 electrons, 13 protons, and 12 neutronsand 12 neutrons

D.D. An atom with 12 electrons, 12 protons, An atom with 12 electrons, 12 protons, and 14 neutronsand 14 neutrons


Which of the following could not be Which of the following could not be the element magnesium?the element magnesium?

A.A. An ion with 11 electrons, 12 protons, An ion with 11 electrons, 12 protons, and 12 neutronsand 12 neutrons

B.B. An atom with 12 electrons, 12 protons, An atom with 12 electrons, 12 protons, and 13 neutronsand 13 neutrons

C.C. An ion with 12 electrons, 13 protons, An ion with 12 electrons, 13 protons, and 12 neutronsand 12 neutrons

D.D. An atom with 12 electrons, 12 protons, An atom with 12 electrons, 12 protons, and 14 neutronsand 14 neutrons


Which of the following particles is Which of the following particles is not a component of atoms?not a component of atoms?

A.A. electronelectron

B.B. neutronneutron

C.C. photonphoton

D.D. protonproton


Which of the following particles is Which of the following particles is not a component of atoms?not a component of atoms?

A.A. electronelectron

B.B. neutronneutron

C.C. photonphoton

D.D. protonproton


Most atoms are composed of Most atoms are composed of electrons, protons, and neutrons. electrons, protons, and neutrons. Which particles are found in the Which particles are found in the nucleus of a gold atom?nucleus of a gold atom?

A.A. Protons onlyProtons only

B.B. Neutrons onlyNeutrons only

C.C. Electrons and protons Electrons and protons

D.D. Protons and neutronsProtons and neutrons


Most atoms are composed of Most atoms are composed of electrons, protons, and neutrons. electrons, protons, and neutrons. Which particles are found in the Which particles are found in the nucleus of a gold atom?nucleus of a gold atom?

A.A. Protons onlyProtons only

B.B. Neutrons onlyNeutrons only

C.C. Electrons and protons Electrons and protons

D.D. Protons and neutronsProtons and neutrons


Which of the following is a Which of the following is a compound?compound?

A.A. Atmospheric nitrogen (NAtmospheric nitrogen (N22))

B.B. Helium (He)Helium (He)

C.C. Hydrogen ion (HHydrogen ion (H++) )

D.D. Potassium chloride (KCl) Potassium chloride (KCl)


Which of the following is a Which of the following is a compound?compound?

A.A. Atmospheric nitrogen (NAtmospheric nitrogen (N22))

B.B. Helium (He)Helium (He)

C.C. Hydrogen ion (HHydrogen ion (H++) )

D.D. Potassium chloride (KCl)Potassium chloride (KCl)


In a certain compound, two In a certain compound, two identical atoms each receive one identical atoms each receive one electron from a third, different electron from a third, different atom. Which compound is this?atom. Which compound is this?

A.A. Carbon dioxide (COCarbon dioxide (CO22))

B.B. Magnesium fluoride (MgFMagnesium fluoride (MgF22))

C.C. Potassium sulfide (KPotassium sulfide (K22S) S)

D.D. Lithium chloride (LiCl) Lithium chloride (LiCl)


In a certain compound, two In a certain compound, two identical atoms each receive one identical atoms each receive one electron from a third, different electron from a third, different atom. Which compound is this?atom. Which compound is this?

A.A. Carbon dioxide (COCarbon dioxide (CO22))

B.B. Magnesium fluoride (MgFMagnesium fluoride (MgF22))

C.C. Potassium sulfide (KPotassium sulfide (K22S) S)

D.D. Lithium chloride (LiCl) Lithium chloride (LiCl)


A certain compound consists of two A certain compound consists of two elements. One of the elements in the elements. One of the elements in the compound is a reactive gas that easily compound is a reactive gas that easily accepts an electron when forming an accepts an electron when forming an ionic bond. This element is most likely?ionic bond. This element is most likely?

A.A. Fluorine, F Fluorine, F

B.B. Krypton, KrKrypton, Kr

C.C. Potassium, K Potassium, K

D.D. Sodium, NaSodium, Na


A certain compound consists of two A certain compound consists of two elements. One of the elements in the elements. One of the elements in the compound is a reactive gas that easily compound is a reactive gas that easily accepts an electron when forming an accepts an electron when forming an ionic bond. This element is most likely?ionic bond. This element is most likely?

A.A. Fluorine, FFluorine, F

B.B. Krypton, KrKrypton, Kr

C.C. Potassium, K Potassium, K

D.D. Sodium, NaSodium, Na

Chemical Properties 11Chemical Properties 11 Chen takes a glass jar, sticks a candle to the lid, and then Chen takes a glass jar, sticks a candle to the lid, and then

seals the jar. The mass of the jar-candle system is 1.1kg. seals the jar. The mass of the jar-candle system is 1.1kg. The candle is lit and the lid immediately closed. What will The candle is lit and the lid immediately closed. What will be the mass of the jar-candle system after the candle has be the mass of the jar-candle system after the candle has burned?burned?

A.A. Exactly 1.1kg, because atoms were Exactly 1.1kg, because atoms were rearranged but not produced or destroyed rearranged but not produced or destroyed

B.B. Less than 1.1kg, because the flame absorbed Less than 1.1kg, because the flame absorbed all of the oxygenall of the oxygen

C.C. More than 1.1kg, because the flame More than 1.1kg, because the flame produced carbon dioxide, which has more produced carbon dioxide, which has more mass than oxygen.mass than oxygen.

D.D. Less than 1.1kg, because the heat from the Less than 1.1kg, because the heat from the candle increased the boyancy of the air in the candle increased the boyancy of the air in the jar. jar.

Chemical Properties 11Chemical Properties 11 Chen takes a glass jar, sticks a candle to the lid, and then Chen takes a glass jar, sticks a candle to the lid, and then

seals the jar. The mass of the jar-candle system is 1.1kg. seals the jar. The mass of the jar-candle system is 1.1kg. The candle is lit and the lid immediately closed. What will The candle is lit and the lid immediately closed. What will be the mass of the jar-candle system after the candle has be the mass of the jar-candle system after the candle has burned?burned?

A.A. Exactly 1.1kg, because atoms were Exactly 1.1kg, because atoms were rearranged but not produced or destroyed rearranged but not produced or destroyed

B.B. Less than 1.1kg, because the flame absorbed Less than 1.1kg, because the flame absorbed all of the oxygenall of the oxygen

C.C. More than 1.1kg, because the flame More than 1.1kg, because the flame produced carbon dioxide, which has more produced carbon dioxide, which has more mass than oxygen.mass than oxygen.

D.D. Less than 1.1kg, because the heat from the Less than 1.1kg, because the heat from the candle increased the boyancy of the air in the candle increased the boyancy of the air in the jar. jar.


Which of the following is common to Which of the following is common to most chemical reactions?most chemical reactions?

A.A. The release or absorption of heat The release or absorption of heat

B.B. The production of new atomsThe production of new atoms

C.C. A change in mass between A change in mass between reactants and productsreactants and products

D.D. The production of new elements The production of new elements


Which of the following is common to Which of the following is common to most chemical reactions?most chemical reactions?

A.A. The release or absorption of heatThe release or absorption of heat

B.B. The production of new atomsThe production of new atoms

C.C. A change in mass between A change in mass between reactants and productsreactants and products

D.D. The production of new elements The production of new elements


The periodic table is arranged in rows The periodic table is arranged in rows and columns. How are atoms of the and columns. How are atoms of the elements that share a column similar?elements that share a column similar?

A.A. They have the same number of They have the same number of electrons in their outer shell electrons in their outer shell

B.B. They are all in the same state of They are all in the same state of matter on the Earthmatter on the Earth

C.C. They are likely to react with each other They are likely to react with each other to form compounds. to form compounds.

D.D. They are all isotopes of each other They are all isotopes of each other


The periodic table is arranged in rows The periodic table is arranged in rows and columns. How are atoms of the and columns. How are atoms of the elements that share a column similar?elements that share a column similar?

A.A. They have the same number of They have the same number of electrons in their outer shellelectrons in their outer shell

B.B. They are all in the same state of They are all in the same state of matter on the Earthmatter on the Earth

C.C. They are likely to react with each other They are likely to react with each other to form compounds. to form compounds.

D.D. They are all isotopes of each other They are all isotopes of each other


The elements in column 8A are The elements in column 8A are known for theirknown for their

A.A. Rare presence in compounds Rare presence in compounds

B.B. Willingness to share electronsWillingness to share electrons

C.C. High melting pointsHigh melting points

D.D. Extreme densityExtreme density


The elements in column 8A are The elements in column 8A are known for theirknown for their

A.A. Rare presence in compoundsRare presence in compounds

B.B. Willingness to share electronsWillingness to share electrons

C.C. High melting pointsHigh melting points

D.D. Extreme densityExtreme density


Which of the following best describes the Which of the following best describes the elements located in 8B (columns 8 elements located in 8B (columns 8 through 10) through 10)

A.A. Low in density, low electrical Low in density, low electrical conductivity conductivity

B.B. Low thermal conductivity, high melting Low thermal conductivity, high melting pointpoint

C.C. High malleability, high densityHigh malleability, high densityD.D. Low ductility, high thermal conductivityLow ductility, high thermal conductivity


Which of the following best describes the Which of the following best describes the elements located in 8B (columns 8 elements located in 8B (columns 8 through 10) through 10)

A.A. Low in density, low electrical Low in density, low electrical conductivity conductivity

B.B. Low thermal conductivity, high melting Low thermal conductivity, high melting pointpoint

C.C. High malleability, high densityHigh malleability, high densityD.D. Low ductility, high thermal conductivityLow ductility, high thermal conductivity

"Remember, if you're not part of the "Remember, if you're not part of the solution, you're part of the solution, you're part of the precipitate!"precipitate!"

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Chemical properties review