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Atomic Theory Test Review

Total questions: 75

Worksheet time: 4hrs 48mins

Name
Class
Date
1.

Subatomic particles with a negative charge

a)

Electrons

b)

Neutrons

c)

Protons

d)

Quarks

2.
Subatomic particles with a positive charge
a)
neutrons
b)
atomic mass
c)
protons
d)
isotopes
3.
Subatomic particles that are neutral in charge
a)
Neutrons
b)
Protons
c)
Nucleus 
d)
Electrons
4.
A tiny but very dense, positively charged portion of the atom that holds most of the atomic mass
a)
Electron Shells
b)
Orbitals
c)
Electron Cloud
d)
Nucleus
5.
Where electrons are likely to be found as they travel around the nucleus
a)
Nucleus
b)
Electron Cloud
c)
Within a Proton
d)
Within a Neutron
6.

Particles have enough energy to overcome the attraction between them. Does not have a fixed volume or shape.

a)

Bose-Einstein Condensate

b)

Solid

c)

Liquid

d)

Gas

e)

Plasma

7.

Particles are tightly packed together, usually into geometric shapes.

a)

Bose-Einstein Condensate

b)

Solid

c)

Liquid

d)

Gas

e)

Plasma

8.

A matter consisting of positive and negatively charged particles. Mostly like gas.

a)

Bose-Einstein Condensate

b)

Solid

c)

Liquid

d)

Gas

e)

Plasma

9.

Particles are loosely packed. Can change position - has a definite volume, but takes the shape of its container.

a)

Bose-Einstein Condensate

b)

Solid

c)

Liquid

d)

Gas

e)

Plasma

10.

The temperature at which a substance changes from a solid to a liquid

a)

Melting Point

b)

Boiling Point

c)

Sublimation Point

d)

Heat of Fusion

e)

Heat of Vaporization

11.

The temperature at which a liquid changes to a gas

a)

Melting Point

b)

Boiling Point

c)

Sublimation Point

d)

Heat of Fusion

e)

Heat of Vaporization

12.

Smallest particle of an element to retain it's qualtities.

a)

Proton

b)

Neutron

c)

Electron

d)

Atom

e)

Quark

13.

These are counted to come up with the atomic number - it is also how we identify an element and its properties.

a)

Proton

b)

Neutron

c)

Electron

d)

Atom

e)

Quark

14.

These are counted to come up with the atomic mass - the mass on the periodic table is a weighted average off all masses found in nature.

a)

Protons and Electrons

b)

Neutrons and Protons

c)

Electrons and Positrons

d)

Quarks and Atoms

15.

These are counted to come up with the atomic mass - the mass on the periodic table is a weighted average off all masses found in nature.

a)

Protons and Electrons

b)

Neutrons and Protons

c)

Electrons and Positrons

d)

Quarks and Atoms

16.
subatomic particles found on the outermost shell & responsible for the atom's reactivity
a)
neutrons
b)
valence electrons
c)
isotopes
d)
ions
17.
Atoms of the same element with a different number of neutrons
a)
Ion
b)
Gluons
c)
Isotope
d)
Quarks
18.
Arrangement of elements organized by atomic number
a)
Electron Cloud 
b)
Periodic Table 
c)
Electron Configuration
d)
None of these
19.
Calculation used to find the number of neutrons in an atom
a)
Atomic Mass - Atomic Number
b)
Atomic Number - Atomic Mass
c)
Atomic Mass - Electrons
d)
none of these
20.
The only element with no neutrons in its nucleus.
a)
Oxygen
b)
Helium 
c)
Hydrogen
d)
Lithium
21.
Freezing Juice?
a)
Physical Change
b)
Chemical Change
22.
Exploding Fireworks?
a)
Physical Change 
b)
Chemical Change 
23.
Melting a chocolate bar?
a)
Physical Change
b)
Chemical Change 
24.
Rotting bananas?
a)
Physical Change
b)
Chemical Change
25.
Cutting your hair?
a)
Physical Change
b)
Chemical Change
26.
Is spoiling food a physical or chemical change?
a)
phyiscal
b)
chemical
27.
Is sqeezing organges to make orange juice a phyical or chemcial change?
a)
physical
b)
chemical
28.
If enough heat is taken away from a container of water, what will happen to the water?
a)
It will begin to boil.
b)
It will become a solid.
c)
It will turn into a gas.
d)
It will increase in weight.
29.
What happens when a piece of wood burns?
a)
A physical change takes place.
b)
A chemical change takes place.
c)
The wood loses its gravity.
d)
The wood loses its inertia.
30.
If enough heat is taken away from a container of water, what will happen to the water?
a)
It will begin to boil.
b)
It will become a solid.
c)
It will turn into a gas.
d)
It will increase in weight.
31.
Which answer makes a correct statement?
a)
Physical change only changes the size.
b)
Physical change only changes the color.
c)
Physical changes begin and end with the same matter.
d)
Physical changes change the matter into something total different.
32.
Which is NOT an example of condensation?
a)
Dew is found on the grass on a summer morning.
b)
Drops of water form on a cold can of soda on a hot day.
c)
A bucket of water left uncovered eventually becomes empty.
d)
The walls of a bathroom are damp after someone takes a showers.
33.
Which action would cause the weight of an object or substance to decrease?
a)
stirring it
b)
burning it
c)
freezing it
d)
dissolving it
34.
Which property of a substance depends on how much of the substance there is?
a)
mass
b)
density
c)
boiling point
d)
melting point
35.
______ is the amount of space that an object takes up.
a)
volume
b)
space
c)
room
d)
density
36.
A change that does not result in a new substance.
a)
Physical Change
b)
Chemical Change 
37.
Students observed as small drops of water collected on the outside of a glass.
Which statement BEST describes why the water vapor in the air formed liquid water on the outside of the glass?
a)
The humidity outside the glass turns the vapor to liquid water.
b)
The water vapor pulls the water from inside the glass to outside the glass.
c)
The temperature of the water inside the glass is colder than the air outside the glass.
d)
The temperature of the water inside the glass is warmer than the air outside the glass.
38.
A teacher is demonstrating physical and chemical changes to her class. Which action should she use to demonstrate a chemical change?
a)
cutting a piece of paper
b)
folding a piece of paper
c)
tearing a piece of paper
d)
burning a piece of paper
39.
A student is creating a potting soil mix. She combines 100 grams of sand, 200 grams of soil, and 200 grams of pebbles to make her potting soil. What is the mass of the potting soil?
a)
100 grams 
b)
200 grams
c)
300 grams
d)
500 grams
40.

A substance that is formed as the result of a chemical reaction is a __________________

a)

Product

b)

Reactant

c)

Starters

d)

Enders

41.

Which of the following is an example of a chemical change?

a)

water freezes to form ice

b)

sugar dissolves in water

c)

gasoline burns in a car engine

d)

a piece of metal expands when it is heated

42.

A change in the shape of an object is an example of _________________.

a)

a chemical change

b)

energy

c)

an endothermic change

d)

a physical change

43.
Which of the following is an example of a chemical change?
a)
rusting of a bicycle
b)
painting a house
c)
washing a dog
d)
tearing up a newspaper
44.

Which one shows that a chemical reaction has occurred?

a)

dissolving

b)

melting

c)

formation of a gas

d)

bending

45.
What type of change occurs when a new substance is formed that has different properties from the original substances?
a)
chemical change
b)
nuclear change
c)
physical change
d)
mutation
46.
a copper penny turning greenish after a few years.
a)
Chemical Change
b)
Physical Change
47.
In a ___________change, a substance changes into a different substance.
a)
Physical
b)
Chemical
48.

What is the BEST definition of a chemical reaction?

a)

A change in matter that produces one or more NEW substances

b)

When two things combine and EXPLODE.

49.

How many Carbons are present on the reactant side?

a)

1

b)

2

c)

3

d)

4

50.

How many Hydrogens are on the product side of this chemical equation?

a)

1

b)

2

c)

3

d)

4

51.

How many Oxygens are on the product side of this chemical equation?

a)

1

b)

2

c)

3

d)

4

52.

Why are chemical equations always balanced? Select ALL that apply.

a)

Matter cannot be created.

b)

Matter cannot be destroyed.

c)

Matter can only be rearranged/conserved.

d)

Matter doesn't matter.

53.

What does it mean for a reaction to be endothermic? Choose 2 of the following.

a)

When two substances react, the temperature of the mixture decreases.

b)

When two substances react, the temperature of the mixture increases.

c)

There is less energy going into the reactant to break the bond than there is energy leaving the product.

d)

There is more energy going into the reactant to break the bond than there is energy leaving the product.

e)

The amount of energy entering and leaving is the same.

54.

What does it mean for a reaction to be exothermic? Choose 2 of the following.

a)

When two substances react, the temperature of the mixture decreases.

b)

When two substances react, the temperature of the mixture increases.

c)

There is less energy going into the reactant to break the bond than there is energy leaving the product.

d)

There is more energy going into the reactant to break the bond than there is energy leaving the product.

e)

The amount of energy entering and leaving is the same.

55.

Suppose you pour a glass of ice water and set it on the kitchen table. After a few minutes, the outside of the glass will be covered with drops of water. Why did this happen?

a)

Oxygen in the air cooled and condensed onto the cold glass.

b)

Water vapor in the air cooled and condensed onto the cold glass.

c)

Water vapor in the air cooled and evaporated onto the cold glass.

d)

Water seeped through pores in the glass.

56.

Why do atoms in a solid still vibrate?

a)

All solids have some thermal energy.

b)

Some solids have some thermal energy, and some do not.

c)

Atoms in a solid do not vibrate.

d)

None of the above.

57.

When heat is added to a liquid, what occurs?

a)

Liquid molecules begin to condense to form a solid.

b)

Liquid molecules are being slowed down to become a gas.

c)

Liquid molecules speed up and begin to spread out to become a gas.

d)

Liquid molecules begin to slow down to become a solid.

58.

What happens to molecules as temperature and energy increase?

a)

Matter condenses

b)

Substances expand when heated

c)

Atoms become less active

d)

Phase change slows down

59.

Alex noticed that a metal door that sticks on hot days does not stick when it cools off at night. This is because the metal contracts as it cools. The reason for this is that, as the metal cools, the atoms

a)

become smaller and take up less space.

b)

slow down and move closer together.

c)

merge together to form fewer atoms.

d)

speed up and move farther apart.

60.

When heat energy and temperature are at their lowest, what state of matter is a substance in?

a)

Gas

b)

Vapor

c)

Solid

d)

Liquid

61.

When a gas begins to condense through condensation, what happens to the heat in the particles.

a)

The heat leaves the gas as it condenses.

b)

The heat goes into the gas as it condenses.

c)

The heat stays the same as it condenses.

d)

None of the above.

62.

Which of the following is an example of a liquid (select ALL that apply).

a)

tree

b)

ice

c)

water

d)

oxygen

e)

oil

63.

A change of state from a liquid to a solid is called....

a)

Melting

b)

Freezing

c)

Evaporation

64.

What is it called when a solid turns directly into a gas?

a)

Sublimation

b)

Condensation

c)

Liquid

65.

All phase changes (changing states) requires energy to be added or taken away.

a)

True

b)

False

66.
Change from Gas to Solid is called........
a)
Sublimation
b)
Deposition
c)
Fusion
d)
condensation
67.
Change from gas to liquid...
a)
condensation
b)
evaporation
c)
expansion
d)
movement
68.
Change from Liquid to Solid is call......
a)
fusion
b)
Freezing
c)
sublimation
d)
evaporation
69.
change from liquid to gas is called....
a)
expansion
b)
evaporation
c)
condensation
d)
sublimation
70.
All changes in the state of matter of a substance requires
a)
vibration
b)
water
c)
permission
d)
energy
71.
What is deposition?
a)
Phase change from gas to solid
b)
phase change from liquid to solid
c)
Phase change from solid to gas
d)
Phase change from liquid to gas
72.
What is sublimation?
a)
phase change between solid and liquid
b)
pahse change from gas to solid
c)
phase change from solid to gas
d)
phase change from solid to solid
73.
Melting is ...
a)
liquid to solid
b)
solid to liquid
c)
solid to gas
d)
gas to liquid
74.
The phase change from water vapor to liquid water is known as...
a)
evaporation
b)
precipitation
c)
condensation
d)
sublimation
75.
Boiling is ...
a)
liquid to gas
b)
gas to solid
c)
gas to liquid
d)
solid to liquid

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