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Foundation Chemistry Unit 1&2 Review

Total questions: 103

Worksheet time: 52mins

Name
Class
Date
1.

When a substance is heated, particles will

a)

Move further apart

b)

Get larger

c)

Move closer together

d)

Be unaffected

2.

When heated, a substance expands and its density...

a)

Increases

b)

Stays the same

c)

Decreases

d)

Fluctuates

3.

The process when a solid turns into a liquid

a)

Evaporation

b)

Sublimation

c)

Freezing

d)

Melting

4.

The process when a gas turns into a liquid

a)

Condensation

b)

Sublimation

c)

Freezing

d)

Evaporation

5.

The process when a liquid turns into a gas

a)

Evaporation

b)

Melting

c)

Condensation

d)

Deposition

6.

The process when a solid turns into a gas

a)

Sublimation

b)

Deposition

c)

Evaporation

d)

Melting

7.

The process when a gas turns into a solid

a)

Deposition

b)

Weathering and Erosion

c)

Super freezing

d)

Sublimation

8.

What is the term given to the temperature at which a solid turns into a liquid?

a)

Boiling point

b)

Melting point

c)

Freezing point

d)

Heating point

9.

What is the term given to the temperature at which a liquid changes to a solid?

a)

Melting point

b)

Boiling point

c)

Sublimation point

d)

Freezing point

10.

True/False: When a substance changes state, its mass also changes.

a)

FALSE

b)

TRUE

11.

True/False: When a substance changes state, its density remains the same.

a)

FALSE

b)

TRUE

12.

True/False: Evaporation and condensation are opposite processes.

a)

FALSE

b)

TRUE

13.

True/False: Melting and boiling are opposite processes.

a)

FALSE

b)

TRUE

14.

Which of the following is a sign that a chemical reaction (or change) has occurred?

a)

change in shape

b)

melting

c)

formation of a gas

d)

dissolving

15.

Is melting butter for popcorn a chemical or physical change?

a)

chemical

b)

physical

16.
Is burning wood a chemical or physical change?
a)
chemical
b)
physical
17.

Which of the following is NOT an example of a physical change?

a)

crumpled paper

b)

dissolving sugar in water

c)

freezing water

d)

burning a marshmallow

18.
Kim puts an ice cube in a beaker and it melts. This is a good example of:
a)
a physical change.
b)
a chemical change.
c)
an experiment.
d)
an analysis.
19.

Kool-aid dissolving in water

a)

physical change

b)

chemical change

20.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
21.

A student calculated the density of a liquid and found it to be 1.36 g/ml. What is the liquid?

a)

baby oil

b)

water with food coloring

c)

honey

d)

dark maple syrup

22.
A chemical change is different than a physical change because in a chemical change
a)
Chemicals are used
b)
Molecules do not physically touch
c)
A new substance is formed and in a physical change no new substance is formed
d)
The change can be seen but in a physical change it cannot
23.

What is happening to the molecules of water in the chemical change: electrolysis?

a)

Molecules get closer together and more packed

b)

Molecules break apart and form new molecules (H and O gas)

c)

The atoms in the molecules get bigger

d)

Nothing happens to the molecules

24.
Which of the following below is a chemical property? 
a)
Color
b)
Density
c)
Boiling Point
d)
Reactivity with Acid
25.
Which of the following situations is evidence of chemical change? 
a)
Boiling water produces steam
b)
Adding vinegar to baking soda makes foaming bubbles
c)
Sharpening a pencil
d)
Cutting paper
26.
The fact that sugar can be white is a 
a)
Chemical Property 
b)
Physical Property 
c)
Both A and B
d)
None of the above 
27.
Flammability is a 
a)
Chemical Property 
b)
Physical Property 
c)
Both A and B
d)
None of the above 
28.
Iron's ability to rust when exposed to air is a 
a)
Chemical Property 
b)
Physical Property 
c)
Both A and B
d)
None of the above 
29.
Density is a 
a)
Chemical Property 
b)
Physical Property 
c)
Both A and B
d)
None of the above
30.
Which one of the following is NOT a physical property of paper? 
a)
It is solid
b)
It is white
c)
It is flammable
d)
It is smooth
31.
After blowing out the flame on the candle, James noticed the wick changed from white to black, this is a
a)
Physical Property
b)
Physical Change
c)
Chemical Property 
d)
Chemical Change 
32.
The candle has a texture that is soft enough to scrape with a fingernail, this is a 
a)
Physical Property 
b)
Physical Change
c)
Chemical Property 
d)
Chemical Change 
33.
The mass of the candle is 2.12 grams, this is a 
a)
Physical Property 
b)
Physical Change
c)
Chemical Property 
d)
Chemical Change 
34.
The candle wick started to smoke after it was lit, this is a 
a)
Physical Property 
b)
Physical Change
c)
Chemical Property 
d)
Chemical Change 
35.
Which example represents a chemical change occurring? 
a)
A blue bike is painted pink
b)
Sand paper is used to smooth wood
c)
When the two chemicals inside an ice pack are mixed it becomes cold 
d)
Paper is ripped into smaller pieces 
36.
Sodium is a soft, white metal that reacts violently with water. Chlorine is a poisonous yellow-green gas. During the chemical reaction between sodium and chlorine, table salt is produced. Which of the following statements correctly compares and contrasts the reactants with the resulting products? 
a)
The reactants are dangerous and the product can be eaten 
b)
The reactants and the products are identical 
c)
The reactants are a solid and a gas and the product is a gas
d)
The reactants and the products are the same color 
37.
During a chemical reaction the chemical properties of the new substance 
a)
Are the same as the chemical properties of the original substance 
b)
Are different from the chemical properties of the original substance 
c)
All of the above
d)
None of the above 
38.
Which of the following is a physical property of vinegar (acetic acid)? 
a)
The liquid is dark and cloudy
b)
The powder is blue
c)
The white powder can rust 
d)
The liquid is clear and has a strong odor
39.

Which if the following is described as being pure substances?

a)

elements

b)

compounds

c)

elements and compounds

d)

mixtures

40.

Which of the following describes a substance that has been physically combined and is NOT uniform throughout (you see the DIFFERENT parts that make it up)?

a)

Homogeneous Mixture

b)

Compound

c)

Heterogeneous mixture

d)

element

41.

What is the smallest part of a compound that retains the properties of that compound

a)

atom

b)

element

c)

Molecule

d)

mixture

42.

A student is observing a substance that contains multiple element that have been chemically combine C6H12O6(SUGAR). Which of the following best describes what the student is observing?

a)

Heterogeneous Mixture

b)

Homogeneous Mixture

c)

Element

d)

Compound

43.

What is the smallest part of an element that retains the properties of the element?

a)

atom

b)

molecule

c)

compound

d)

subatomic particles

44.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

45.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

46.
This picture represents which of the following?
a)
element
b)
compound
c)
mixture
d)

atom

47.

This substance can be separated by physical means such as filtering, sifting, and evaporating.

a)

Mixtures

b)

Pure Substances

c)

Elements

d)

Compounds

48.
What type of mixture is this?
a)
homogenous mixture
b)
chemical
c)
heterogeneous mixture 
d)
solid mix
49.

What kind of mixture is shown in the picture?

a)

Homogeneous Mixture

b)

Heterogeneous Mixture

50.

When one or more substance is combined CHEMICALLY it is called __________________.

a)

compound

b)

element

c)

mixture

d)

solution

51.

Which contains only elements?

a)

A

b)

B

c)

C

d)

D

52.

Which contains a pure substance? (Choose all)

a)

A

b)

B

c)

C

d)

D

53.

Which contains a mixture? (Choose all)

a)

A

b)

B

54.

Which contains a solution? (Choose all)

a)

A

b)

B

c)

None are solutions

55.

Which contains a solid? (Choose all)

a)

A

b)

B

c)

C

d)

D

56.

Which contains a pure substance? (Choose all)

a)

A

b)

B

c)

C

d)

D

57.

What type of change is this?

a)

Chemical

b)

Melting

c)

Evaporation

d)

Condensation

e)

Sublimation

58.

Which contains only elements (no compounds)? (Choose all)

a)

A

b)

B

c)

C

59.

What type of change?

a)

Chemical

b)

Evaporation

c)

Condensation

d)

Sublimation

e)

Melting

60.

Which is a heterogeneous mixture? (Choose all)

a)

1

b)

2

c)

3

d)

4

61.

Which of the following are found in the nucleus?

a)

protons and electrons

b)

protons ONLY

c)

protons and neutrons

d)

Electrons only

62.

________________ have a positive charge, ___________________ have NO charge, and _____________________ have a negative charge.

a)

Protons, Electrons, Neutrons

b)

Neutrons, Electrons, Protons

c)

Protons, Neutrons, Electrons

d)

Electrons, Neutrons, Protons

63.

Which of the following are found on the left side of the zig zag line on the periodic table?

a)

Non-metals

b)

metalloids

c)

metals

d)

compounds

64.

_________________________ are the horizontal rows on the periodic table while _______________________ are the vertical columns.

a)

periods/ groups(families)

b)

groups(families)/periods

c)

metals/non-metals

d)

non-metals/metals

65.

Which of the following elements is in (period 4 , group 2)

a)

Carbon

b)

Potassium

c)

Calcium

d)

Sodium

66.

Which of the following has similar properties to potassium (K) because they are in the same group(family)

a)

Sodium (Na)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Gold (Au)

67.

The element Zinc (Zn) has an atomic number of 30 and an atomic mass of 65 therefor each atom of zinc contains ___________protons, ______________neutrons, and _____________electrons.

a)

30,30,35

b)

30, 30, 25

c)

30, 35, 30

d)

35, 30, 30

68.
What element is will have the most similar physical and chemical properties to the element Lithium (Li)?
a)
Sodium (Na)
b)
Magnesium (Mg)
c)
Beryllium (Be)
d)
Calcium (Ca)
69.
What element is will have the most similar physical and chemical properties to the element Bromine (Br)?
a)
Fluorine (F)
b)
Carbon (C)
c)
Krypton (Kr)
d)
Selenium (Se)
70.
The atomic number tells you what?
a)

number of electrons only

b)

number of protons only

c)

number of neutrons only

d)

both electrons and protons in an atom

71.
Which group of the periodic table is composed of inert (not reactive)  gases?
a)
alkali metals
b)
alkaline earth metals
c)
halogens
d)
noble gases
72.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
73.
The atoms along the staircase are called 
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
74.
What does the 1.00794 stand for?
a)
Hydrogen
b)
atomic number
c)
atomic mass
d)
atomic explosion
75.
In the modern periodic table elements are arranged by:
a)

alphabetical order

b)
atomic number
c)

number of neutrons

d)

color

76.

Which group does Aluminum belong to?

a)

Group 3

b)

Group 13

c)

Group 6

d)

Group 26

77.

Which period is Oxygen found in?

a)

Period 1

b)

Period 2

c)

Period 3

d)

Group 16

78.

Which element is found in Period 4, Group 8?

a)

Iron

b)

Oxygen

c)

Nickel

d)

Silver

79.

What is the ATOMIC NUMBER of the element found in Period 4, Group 1?

a)

41

b)

4

c)

1

d)

19

80.
The nucleus of an atom is made of
a)
electrons and protons
b)
electrons and neutrons
c)
protons and neutrons
d)
empty space
81.
Outside the nucleus of an atom are these
a)
protons
b)
neutrons
c)
quarks
d)
electrons
82.

Look at this picture of Argon off the periodic table. Which of the following is true for this element?

a)

18 protons

b)

40 protons

c)

22 protons

d)

21.9 protons

83.

Look at this picture of Argon off the periodic table. Which of the following is true for this element when it is neutral?

a)

18 electrons

b)

40 electrons

c)

22 electrons

d)

21.9 electrons

84.

When you two atoms with different masses, Carbon-12 and Carbon-13 for example, what type of atom do you have?

a)

Neutral atom

b)

Ion

c)

Isotope

85.

Which of the following is correct?

a)

Protons are positive, electrons are negative, neutrons are neutral.

b)

Protons are neutral, electrons are negative, neutrons are positive

c)

Protons are negative, electrons are positive, neutrons are neutral

d)

Protons are positive, electrons are neutral, neutrons are negative

86.

Iodine-131

The -131 tells you the

a)

number of protons.

b)

mass number.

c)

charge of the atom.

87.
The symbol "K" represents which element?
a)
Magnesium
b)
Iron
c)
Potassium
d)
Copper
88.
What period is Silicon found in?
a)
1
b)
2
c)
3
d)
4
89.
Which atom represents an alkali metal?
a)
Neon
b)
Sodium
c)
Chlorine
d)
Magnesium 
90.
What is the atomic number of aluminum
a)
13
b)
26.98
c)
27
d)
3
91.

Which of the following elements is a metalloid?

a)

Sulfur

b)

Silicon

c)

Iron

d)

Copper

92.

What is Group 18 referred as?

a)

Halogens

b)

Alkaline

c)

Alkali

d)

Noble Gases

93.

How many protons are in this atom?

a)

28

b)

14

c)

29

d)

42

94.

What element is represented in this Bohr Model?

a)

Carbon

b)

Hydrogen

c)

Aluminum

d)

Lithium

95.
What is the name of this element?
a)
Lithium
b)
Boron
c)
Carbon
d)
Neon
96.
What is the atomic number of this atom?
a)
2
b)
4
c)
6
d)
none of the above
97.

If an atom has an extra neutron, it is _____.

a)

a positive ion

b)

a neutral atom

c)

an isotope

d)

a negative ion

98.

Can an atom of Helium have 3 neutrons?

a)

Yes, because it can be an ion

b)

No, because protons identify the atom

c)

Yes, because it can be an isotope

d)

No, because only neutral atom exist

99.

Can an atom of Hydrogen have 2 protons?

a)

Yes, because it can be an ion.

b)

No, because protons identify the atom

c)

Yes, because it can be an isotope

d)

No, because only neutral atoms exist.

100.

An atom has 12 protons and 13 neutrons in its nucleus. Which is the correct symbol?

a)
b)
c)
d)
101.

Rubidium has two common isotopes, 85Rb and 87Rb. If the abundance of 85Rb is 72.2% and the abundance of 87Rb is 27.8%, what is the average atomic mass of rubidium?

a)

85.468 amu

b)

37 amu

c)

85.6 amu

d)

86.4 amu

102.

There are two primary isotopes found in any sample of copper: copper-63 and copper-65. The isotope 65Cu composes 69.2% of the sample and 63Cu comprises the other 30.8%. Based on this data, what is the atomic mass of copper?

a)

29 amu

b)

63.546 amu

c)

64.4 amu

d)

63.6 amu

103.

Isotopes of an element have a different number of...

a)

Protons

b)

Neutrons

c)

Electrons

d)

Mass

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