In what way would you calculate density? A.Volume / mass B.Gas
/ liquid C.mass / volume D.Solid / gas
Slide 3
Compare the Lewis dot diagram to the Bohr model. A.Both tell
the number of valence electrons B.Lewis dot only tells valence
electrons and the Bohr model shows protons, neutrons, and electrons
C.Both tell only electrons D.Both have protons and electrons
Slide 4
What is the number of protons and electrons in Boron? A.5 B.10
C.11 D.none
Slide 5
What is the atomic number of Silicon? A.28 B.15 C.14 D.32
Slide 6
What is matter? A.Anything that has mass B.The force of gravity
pulling on an object C.Anything that takes up space D.Anything that
has mass and takes up space
Slide 7
What family is oxygen in? A.Noble gases B.Halogens C.Oxygen
family D.Alkaline earth metals
Slide 8
What is it called when a substance goes directly from a solid
to a gas? A.Sublimation B.Evaporation C.Melting point D.Boiling
point
Slide 9
John measured a metal cubes weight to be 3grams, then he finds
the volume to be 5ml. He said the density is 15g/ml. Is his answer
accurate? A.Yes, 3g x 5ml = 15g/ml B.No, 5ml / 3g = 1.7g/ml C.Yes,
15g/ml is correct D.No, 3g / 5ml =.6g/ml
Slide 10
How many groups are on the periodic table? A.18 B.4 C.9
D.32
Slide 11
Which describes the nature of chemicals? a.Chemicals are
synthetic, not naturally occurring. b.Chemicals are naturally
occurring, not synthetic. c.Chemicals can be both naturally
occurring and synthetic. d. Chemicals are neither synthetic nor
naturally occurring.
Slide 12
If you place a metal ball in a bowl of oil it will sink because
A.It is heavy B.It is more dense than water C.It is less dense than
the oil D.It is more dense than the oil
Slide 13
How many periods are in the periodic table? A.3 B.7 C.18
D.9
Slide 14
What does the atomic number represent? A.Number of protons
B.Number of electrons C.Number of neutrons D.Both A and B
Slide 15
What is the 1 st step in the scientific process? A.Form a
hypothesis B.Ask a question C.Draw a conclusion D.Analyze
results
Slide 16
How are protons and neutrons alike? A.There is always the same
number of them in an atom B.They are both located in the nucleus
C.They are both found in the shells of an atom D.They are both
elements
Slide 17
Why is lithium more reactive than mercury? A.Because mercury
has fewer valence electrons B.Because 1 is a nonmetal and one is a
metalloid C.Because lithium has more valence electrons D.Because
mercury has more valence electrons
Slide 18
What type of element is hydrogen? A.Metalloid B.Metal C.Noble
gas D.Nonmetal
Slide 19
Demonstrate how to calculate density: mass=5g volume=10cm 3
A..5 g/cm 3 B..5 cm 3 /g C..5 g/cm D.2 g/cm 3
Slide 20
Which types of elements are found on the Periodic Table?
A.Metals B.Metalloids C.Nonmetals D.All of the above
Slide 21
Why do you think there are 118 elements in the periodic table?
A.that is all they can think of B.That is all of the discovered
elements C.The scientists arent very smart D.There could not
possibly be any more
Slide 22
What are the units for density? A.g/ml 3 B.g/cm 3 C.g/ml D.Both
B and C
Slide 23
Predict what will happen if a rocks density is 3g/cm 3 and is
thrown into water. A.It will sink B.It will float C.It will burn
D.It will sink then float to the top
Slide 24
What is a Bohr model? A.A model of an atom B.A model of an
element C.A model of a compound D.A model of a molecule
Slide 25
Identify the independent variable: the effect of food coloring
on the way people see. A.Peoples sight B.Food coloring C.Both
D.Neither
Slide 26
Identify the dependent variable: If I add more sunlight to the
plants, then the plant growth would increase. A.Sunlight B.Plant
C.Plant growth D.All of the above
Slide 27
Is air matter? A.Yes B.No C.Sometimes D.Never
Slide 28
Which of the following families is NOT able to bond with other
families of elements? A.Carbon family B.Alkaline earth metals
C.Noble gases D.Atoms family
Slide 29
Which is a compound? A.Co B.Cu C.Au D.H 2 O
Slide 30
What would the atomic mass of an object be with 26 protons and
30 neutrons? A.4 B.56 C.14 D.26
Slide 31
From what you know, where would we place a new element that was
heavier than the others? A.It would go last on the periodic table
B.It would on first on the periodic table C.It would go with the
metals D.It would go with the metalloids
Slide 32
Matter can be classified into what 2 categories? A.Mixtures and
solutions B.Molecules and elements C.Elements and mixtures D.Pure
substances and mixtures
Slide 33
What is a proton? A.The smallest particle of an element B.A
state of matter C.A small positive particle in the nucleus of an
atom D.A type of candy
Slide 34
What does the stair step on the periodic table tell you? A.The
metalloids B.The metals C.The nonmetals D.Both A and B
Slide 35
What is the name of the 1 st family on the periodic table?
A.Transition metals B.Noble gases C.Alkaline earth metals D.Alkali
metals
Slide 36
How do you find the number of neutrons? A.Atomic number =
neutrons B.Atomic mass atomic number C.Atomic mass = neutrons
D.Atomic number + atomic mass
Slide 37
What is the atomic number for gold? A.60 B.79 C.109 D.103
Slide 38
What is the result of mixing water and sugar? A.Element
B.Compound C.Mixture D.Solution
Slide 39
What is a molecule? A.The smallest particle of a nucleus B.A
combination of two or more atoms C.A negatively charged particle
D.A combination of two or more elements
Slide 40
If I change the ______, then the ______ will change. A.IV, DV
B.DV, IV C.IV, controlling variable D.DV, controlling variable
Slide 41
How do families run on the periodic table? A.Diagonal
B.Horizontal C.Vertical D.Right to left
Slide 42
Explain the main idea of a Bohr diagram? A.To show what an atom
looks like B.To show the number of electrons C.To explain what each
molecule is D.To show valence electrons
Slide 43
What are the common characteristics of iron and gold? A.They
are shiny B.They are malleable C.They are shiny and malleable
D.They are poor conductors of electricity
Slide 44
What is an electron? A.A tiny, negatively charged particle that
moves around the nucleus of an atom B.A small, positively charged
particle in the nucleus of an atom C.A substance that cannot be
broken down any further
Slide 45
Does the element K have 19 neutrons? A.No B.Yes C.Maybe D.I
dont know
Slide 46
Hydrogen is in what group? A.Metalloids B.Metals C.Gases
D.Nonmetals
Slide 47
Helium is a(n) A.Halogen B.Noble gas C.Transition metal
D.Metalloid
Slide 48
How many valence electrons are in the halogen family? A.1 B.2
C.8 D.7
Slide 49
What would happen to waters density if the amount of water was
cut in half? A.It would decrease B.It would increase C.It would
stay the same D.It would go away
Slide 50
Define the word ductile. A.To be able to bend B.To be able to
break C.To be able to be pulled into a wire D.All of the above
Slide 51
How many electrons are in the outer shell of lithium? A.14.5
B.1.586 C.3 D.2
Slide 52
Which of the following best describes H 2 0? A.Atom B.Molecule
C.Compound D.Both B and C
Slide 53
An engineer needs a material that can easily be rolled into a
thin wire that will carry an electric current. Which type of
material would best suit his needs? a.Metalloid b.Metal c.Nonmetal
d.halogen
Slide 54
Which metalloid has the most neutrons? A.Tellurium B.Silicon
C.Astatine D.Antimony