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Module J Comprehensive Chemistry

Total questions: 110

Worksheet time: 2hrs 59mins

Name
Class
Date
1.

Which statement BEST describes the relationship between the weight and mass of an object?

a)

If mass increases, weight will decrease.

b)

Doubling mass reduces weight by half.

c)

An increase in mass will not affect weight.

d)

If mass increases, weight will increase.

2.

What happens to the mass and weight of an object that is launched into space, where the pull of gravity is less?

a)

The mass decreases while the weight stays constant.

b)

The mass stays constant while the weight decreases.

c)

The mass stays constant while the weight increases.

d)

The mass increases while the weight decreases.

3.

Nick is preparing a solution and needs to measure the mass of some copper sulfate. Which one of the objects should he use to measure MASS?

a)

Graduated Cylinder

b)

Ruler

c)

Balance or Scale

4.

Select the correct definition for MATTER

a)

Anything that takes up space and composed of atoms and/or molecules

b)

A measure of the amount of space an object takes up

c)

A property that describes the compactness of molecules in a substance (also describes the mass in a given space).

5.

Select the correct definition for MASS

a)

A measure of the amount of matter in an object

b)

A measure of the amount of space an object takes up

c)

A property that describes the compactness of molecules in a substance

6.

Select the correct definition for DENSITY

a)

A measure of the amount of matter in an object

b)

A measure of the amount of space an object takes up

c)

A property that describes the compactness of molecules in a substance (describes the mass in a given volume)

7.

Select the correct definition for VOLUME

a)

A measure of the amount of matter in an object

b)

A measure of the amount of space an object takes up

c)

A property that describes the compactness of molecules in a substance

8.

Select the correct definition for ATOMS

a)

The smallest building block of all matter

b)

Two or more atoms bonded and held together

c)

The different types of atoms, organized on the Periodic Table.

9.

Select the correct definition for MOLECULES

a)

The smallest building block of all matter

b)

Two or more atoms bonded and held together

c)

The different types of atoms, organized on the Periodic Table.

10.

Select the correct definition for ELEMENTS

a)

The smallest building block of all matter

b)

Two or more atoms bonded and held together

c)

The different types of atoms, organized on the Periodic Table.

11.

Which phase in the image is the LEAST DENSE?

a)

Solid

b)

Liquid

c)

Gas

12.

In this image, a ping pong ball is floating in water. Select all correct statements.

a)

The ping pong is less dense than the water

b)

The water is less dense than the ping pong

c)

If the ping pong ball was bigger, it would eventually sink

13.

Calculate the density of a piece of wood with a mass of 50g and a volume of 100cm3. Use the formula:

Density = mass / volume (division!)

a)

2

b)

0.5

14.

Calculate the density of a piece of a marble with a mass of 5g and a volume of 2cm3. Use the formula:

Density = mass / volume (division!)

a)

0.5

b)

2.5

15.

Which material is MOST dense?

a)

A

b)

B

c)

C

16.

The image shows 12 aluminum cylinders, different sizes. Which statement below is correct?

a)

They all have the same mass and same volume

b)

Because they are all the same material, they all have the same density.

c)

They all have different densities. The larger the cylinder, the greater the density.

17.

Based on the data for the four samples, determine which of the following substances has the greatest density.

a)

Sample 1: volume = 15 cm3, mass =30 g

b)

Sample 2: volume = 20 cm3, mass = 66 g

c)

Sample 3: volume = 3 cm3, mass = 12 g

d)

Sample 4: volume = 48 cm3, mass = 100 g

18.
Find the Volume
a)
428.4 cm3
b)
412.8 cm3
c)
404.2 cm3
d)
400 cm3
19.
Find the volume of the given figure.
a)
308.9 cm3
b)
308.2 cm3
c)
312.8 cm3
d)
302.9 cm3
20.
What units are used to measure mass of an object?
a)
cm
b)
cm3
c)
g
d)
g/cm3
21.
What is the formula to calculate density
a)
mass/volume
b)
mass x volume
c)
mass + volume
d)
mass - volume
22.
What two factors do you need to calculate density?
a)
matter and mass
b)
matter and volume
c)
mass and volume
d)
weight and volume
23.
Flammability is an example of what property?
a)
Chemical property
b)
Physical property
24.
Ability to rust is this type of property:
a)
Physical property
b)
Chemical property
25.
Which is NOT a physical property?
a)
odor
b)
reacts with acid
c)
ability to conduct electric current
d)
hardness
26.
Physical properties are
a)
properties that can be observed without changing the identity of the substance
b)
properties that describe how a substance changes into a completely different substance
27.
Which of the following is a physical property?
a)
melting point
b)
flammability
c)
ability to rust
28.
What kind of properties can only be observed when a substance changes into a different substance?
a)
physical properties
b)
chemical properties
c)
liquid properties
d)
real properties
29.
Is melting point of a substance a physical or chemical property?
a)
physical
b)
chemical
30.
Malleability is the 
a)
ability to hammer a substance into thin sheets
b)
how shiny an object is
c)
ability to draw a substance into thin wires
d)
the temperature at which the substance changes from a solid to a liquid
31.
Solubility is the
a)
ability to be scratched
b)
ability to be hammered into thin sheets
c)
how shiny it is
d)
ability to dissolve
32.
Which is NOT a physical property?
a)
odor
b)
reacts with bleach
c)
sinks in water
d)
density
33.
Which is an example of a physical property?
a)
ability to react with acid
b)
 color
c)
flammability
d)
ability to react with oxygen
34.
Which of the following is a chemical property?
a)
how something tastes
b)
ability to explode
c)
ability to float in water
d)
size of an object
35.
a bike chain has the ability to react with oxygen and rust
a)
physical properties
b)
chemical properties
36.

A characteristic that can be observed using our senses is a ___.

a)

chemical property

b)

physical property

c)

melting point

d)

chemical change

37.
Substances that exist before the reaction
a)
products
b)
subscripts
c)
reactants
d)
coefficients
38.
A change in a substance that only affects size, shape or state of matter.
a)
chemical change
b)
physical change
c)
chemical property
d)
endothermic
39.
True or False:
Energy may be gained or lost during a chemical reaction.
a)
True
b)
False
40.

___ change - causes the identity of a substance to change; something new is formed.

a)

formation

b)

physical

c)

chemical

d)

conservation

41.
The substances formed during a chemical reaction are called ___.
a)
protons
b)
neutrons
c)
reactants
d)
products
42.
The arrow in a chemical equation reads as this
a)
balanced
b)
atoms
c)
reactants
d)
produces
43.

What is the chemical symbol for the element hydrogen

a)

H

b)

He

c)

h

d)

he

44.
The number at the top of each square on the periodic table is the ...
a)
atomic number
b)
atomic mass
c)
Chemical Symbol
d)
Element Name
45.

The atomic number tells you what?

a)

number of electrons

b)

number of protons

c)

number of neutrons

d)

the number of protons, and therefore the number of electrons

46.
Elements which are shiny, conduct electricity and heat are called
a)
metal
b)
nonmetal
c)
metalloid
d)
nonexistent
47.
A proton is....
a)
A negatively charged subatomic particle
b)
A positively charged subatomic particle
c)
A neutrally charged subatomic particle
d)
The only subatomic particle located in the nucleus
48.
The subatomic particle with a negative charge is the
a)
electron
b)
proton
c)
neutron
d)
nucleus 
49.

What are the electrons of the "outer shell" of an element called?

a)

VALENCE ELECTRONS

b)

PERIODIC FAMILY

c)

PERIODIC GROUP

d)

ELEMENT

e)

COMPOUND

50.
The chart that arranges elements by atomic number is:
a)
Atomic Number
b)
Metal
c)
Periodic Table
d)
Chart
51.
If an element does NOT conduct electricity and is NOT shiny or malleable, it is a:
a)
Metal
b)
Nonmetal
c)
Gas
d)
Liquid
52.
If two atoms have the same amount of protons, but a different amount of neutrons, they are still the same element.
a)
True
b)
False
53.
What do elements share or transfer to form compounds?
a)
Electrons
b)
Elements
c)
Neutrons
d)
Protons
54.
Which state of matter has a definite shape and volume?
a)
Gas
b)
Liquid
c)
Plasma
d)
Solid
55.
How are compounds and elements different?
a)
Elements are metals; compounds are nonmetals
b)
Elements are pure substances; compounds are not
c)
Elements exist as solids, liquids, and gases; compounds are solids
d)
Elements have one kind of atom; compounds have different kinds of atoms
56.
Oxygen and nitrogen usually occur in our atmosphere as molecules of two bonded atoms - O2 and N2.  Are these compounds, elements, or both?
a)
Elements
b)
Compounds
c)
Both
d)
Neither
57.

A substance that cannot be separated or broken down into simpler substances by chemical means is?

a)

Mixture

b)

Element

c)

Compound

d)

Molecule

58.

The smallest part of any substance is?

a)

Element

b)

Compound

c)

Atom

d)

Molecule

59.
The arrangement of all know elements in order is called? 
a)
Compounds
b)
Periodic Table
c)
Pure Substance
d)
Element
60.
What is the atomic mass of this element? 
a)
Potassium
b)
K
c)
19
d)
39.098
61.
What is the atomic number of this element? 
a)
19
b)
Potassium
c)
39.098
d)
K
62.
What is the chemical symbol of this element? 
a)
Potassium
b)
K
c)
39.098
d)
19
63.
What element is this? 
a)
Oxygen
b)
Carbon
c)
Hydrogen
d)
Helium
64.
What element is this? 
a)
Hydrogen
b)
Helium
c)
Lithium
d)
Beryllium
65.

How are the elements arranged on the periodic table?

a)

Atomic number

b)

Atomic mass

c)

Alphabetically

d)

Chemical symbol

66.

What do elements in the same group (family) have in common with each other?

a)

Properties and valence electrons

b)

Atomic number and valence electrons

c)

Chemical symbol and atomic mass

d)

Atomic mass and atomic number

67.
What does a rock and a balloon have in common with each other? 
a)
They are both made of atoms. 
b)
They are made of the SAME kind of atom.
c)
They have identical chemical properties.
d)
They are both made of the same number of atoms. 
68.
Which element has similar properties to Chlorine (Cl)? 
a)
Fluorine
b)
Sulfur
c)
Boron
d)
Oxygen
69.

Electrons are located around the nucleus in energy levels. The first energy level is...

a)

Closest to the nucleus.

b)

Furthest from the nucleus.

c)

Able to hold the most electrons.

d)

Not able to hold any electrons.

70.

Neon has 10 electrons. The electrons fill the energy levels in Neon like this...

a)

Two in the first, four in the second and four in the third.

b)

Four in the first, Four in the second and two in the third.

c)

Two in the first and eight in the second.

d)

Two in the first, two in the second and six in the third.

71.

Which picture represents an element/molecule made of the same atoms?

a)

O2

b)

H2O

72.

What is the volume of this item?

a)

10 mL

b)

20 mL

c)

30 mL

d)

50 mL

73.

A solid turning into a liquid is:

a)

Vaporation

b)

Freezing

c)

Melting

d)

Deposition

e)

Sublimation

74.

A gas turning into a liquid:

a)

Deposition

b)

Melting

c)

Condensation

d)

Sublimation

75.

A liquid turning into a solid is:

a)

Freezing

b)

Melting

c)

Condensation

d)

Sublimation

76.

Which two particles are part of an atom's nucleus?

a)

Electron

b)

Neutron

c)

Proton

d)

Nucleon

e)

Orbital

77.

The amount of which two particles are shown by the atomic number?

a)

Nucleons

b)

Protons

c)

Electrons

d)

Neutrons

78.

Neutrons + Protons = _________

a)

Atomic Number

b)

Atomic Mass

c)

Electrons

d)

Element

79.

How many protons does this atom have?

a)

4

b)

5

c)

9

d)

13

80.

What is the volume of this rectangular prism?

a)

3

b)

3 2/3

c)

18

d)

8

81.

What causes objects to change to different states?

a)

Heat

b)

Electricity

c)

Decay

d)

Movement

82.

How many neutrons are in this atom?

a)

9

b)

18

c)

19

d)

10

e)

28

83.
Particles in an atom that are neutral and have no charge are 
a)
negatrons 
b)
electrons 
c)
neutrons 
d)
protons 
84.
Element or compound?
H2O
a)
element
b)
compound
85.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
86.
How many atoms are there TOTAL in:
H2SO4
a)
6
b)
5
c)
7
d)
3
87.
How many Elements are in the compound C2H8O ?
a)
2
b)
1
c)
3
d)
0
88.

How do you know how many elements are in a chemical formula?

a)

you cannot tell

b)

count the capital letters

c)

add the subscripts together (elements with no number have 1)

d)

look at the Periodic Table of Elements

89.

How do you figure out how many atoms are in a chemical formula?

a)

use the Periodic Table of Elements

b)

count the capital letters

c)

you cannot tell

d)

add the subscripts together (elements with no number have 1)

90.

How many atoms are in the chemical formula C2H2Co?

a)

6

b)

5

c)

4

d)

3

91.

What is pictured here?

a)

compound

b)

mixture of elements

c)

mixture of compounds and elements

d)

mixture of compounds

e)

element

92.

What is pictured here?

a)

compound

b)

mixture of elements

c)

mixture of compounds and elements

d)

mixture of compounds

e)

element

93.

What is pictured here?

a)

compound

b)

mixture of elements

c)

mixture of compounds and elements

d)

mixture of compounds

e)

element

94.

What is pictured here?

a)

compound

b)

mixture of elements

c)

mixture of compounds and elements

d)

mixture of compounds

e)

element

95.
Liquids and gases are similar because __________________________.
a)
they both take the shape of their container
b)
they both have their own shape
c)
liquids pour and gases don't
d)
liquids take the shape of the container but gases have their own shape
96.
What Is Volume?
a)
How heavy something is.
b)
The amount of space taken up by and object.
c)
How a liquid flows.
d)
The international unit of measurement.
97.

The type of matter with the lowest heat energy and temperature.

a)

gas

b)

solid

c)

liquid

d)

plasma

98.
What phase of matter is shown in the diagram?
a)
solid
b)
liquid
c)
gas
d)
physical changes
99.

Which of the following describes liquids?

a)

definite shape, definite volume

b)

no definite shape, definite volume

c)

no definite shape, no definite volume

d)

no definite shape, no definite volume, electrically charged

100.
In which state of matter do the particles only vibrate in place?
a)
solid
b)
liquid 
c)
gas 
d)
liquid and gas
101.
Which state of matter generally has the highest velocity of the particles?
a)
Solid
b)
Liquid
c)
Gas
d)
Solid and Liquid
102.

Matter is _________.

a)

when you use a balance

b)

only in space

c)

magnetism

d)

anything that has mass and takes up space

103.

Molecules in a solid look like:

a)
b)
c)
d)
104.

Molecules in a liquid look like:

a)
b)
c)
d)
105.

Which arrow shows melting?

a)

1

b)

2

c)

3

d)

4

106.

Which arrow shows condensation?

a)

1

b)

2

c)

3

d)

4

107.

Which arrow shows freezing?

a)

1

b)

2

c)

3

d)

4

108.

Which arrow shows evaporation?

a)

1

b)

2

c)

3

d)

4

109.

When temperature is decreased, these molecules will become:

a)

solid

b)

liquid

c)

gas

110.

What do liquids and solids have in common?

a)

Both have definite volume

b)

Both have definite shape

c)

Both take the shape of its container

d)

Both can be compressed

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