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Atoms, Elements and Compounds and State of matter

Total questions: 123

Worksheet time: 2hrs 51mins

Name
Class
Date
1.
a)

Solid

b)

Liquid

c)

Gas

2.
a)

Solid

b)

Liquid

c)

Gas

3.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
4.
Freezing
a)
Solid to gas
b)
Liquid to solid
c)
Gas to solid
d)
Liquid to gas
5.
Boiling
a)
liquid to gas
b)
gas to solid
c)
gas to liquid
d)
solid to liquid
6.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position.
b)
have no viscosity.
c)
decrease in volume with increasing temperature.
d)
are free to move around one another but still touch.
7.
What is condensation?
a)
gas to solid
b)
gas to liquid
c)
liquid to solid 
d)
solid to liquid 
8.

As liquid water heats up, particles escape from the surface, this is called ______________.

a)

boiling

b)

evaporation

c)

melting

d)

freezing

9.

This is an example of particles in a _____.

a)

solid

b)

liquid

c)

gas

10.
Is matter
a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
11.
What does “high concentration area” mean?
a)
Spread out
b)
Tightly packed together
c)
Uncrowded
d)
Spacious
12.
Which diagram best shows the end result of diffusion?
a)
F
b)
G
c)
H
d)
J
13.
The picture  is an example of _________________.
a)
isotonic
b)
diffusion
c)
osmosis
d)
active transport
14.
Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration
a)
High, low
b)
Low, high
c)
Low, low,
d)
High, high
15.
An increase in temperature does what to diffusion?
a)
Speeds it up
b)
Slows it down
c)
Has no effect
d)
I wish i knew. Really I do.
16.
when a person smells something, what is actually traveling up their nose?
a)
solids 
b)
moleulces 
c)
matter
d)
plasma 
17.

Which form of matter has a definite shape and takes up space (has definite volume)?

a)

liquid

b)

solid

c)

gas

d)

clay

18.
What is happening when my ice cream changes from a solid to a liquid?
a)
freezing
b)
melting
c)
burning
d)
evaporation
19.
Adding heat from a solid
a)
will cause it to melt and turn into gas
b)
will cause it to boil and turn into liquid
c)
will cause it to melt and turn into liquid
d)
will cause it to sublimate
20.
Adding more heat energy to molecules will
a)
make them move slower
b)
make them move faster
c)
make them stop moving
d)
destroy them
21.
When we remove heat from a liquid
a)
it will freeze and turn into a solid
b)
it will freeze and turn into a gas
c)
it will freeze and turn into a liquid
d)
it will freeze and turn into plasma
22.
Molecules have energy and _________ stop moving
a)
rarely
b)
always
c)
never
d)
sometimes
23.
Matter changes state when...
a)
energy is added or removed
b)
energy is added
c)
energy is removed
d)
there is no energy
24.
+Energy(heat)
a)
solid to gas
b)
liquid to solid
c)
gas to liquid
d)
gas to solid
25.
_______________ happens when molecules collide and push each other apart. 
a)
concentration
b)
diffusion
26.

Which of the following process is an example of condensation

a)
b)
c)
d)
27.

Which state (s) of matter takes the shape of the container they are place in

a)

liquid and solid

b)

liquid and gas

c)

Gas only

d)

Liquid only

28.

The process represent by the picture is ______________

a)

sublimation

b)

evaporation

c)

condensation

d)

deposition

29.
Particles closest together
a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
30.
Particles move quickest
a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
31.

Fixed shape and Fixed volume

a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
32.

No Fixed shape or volume

a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
33.

Fixed volume but not Fixed shape

a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
34.
What is happening at the boiling point?
a)
liquid to gas
b)
gas to liquid
c)
solid to liquid
d)
liquid to solid
35.
What is happening at freezing point?
a)
gas to liquid
b)
solid to liquid
c)
liquid to solid
d)
liquid to gas
36.
In which state of matter are particles packed tightly together in fixed positions?
a)
gas 
b)
solid
c)
liquid
d)
plasma
37.
Particles of a liquid
a)
are tightly packed together and stay in a fixed position
b)
have no viscosity
c)
decrease in volume with increasing temperature
d)
are free to move in a container but are in close contact with one another
38.
In which state of matter do particles spread apart and fill all the space available to them? 
a)
crystal
b)
liquid
c)
gas
d)
solid
39.

In which state of matter are the particles least able to move?

a)

A

b)

B

c)

C

40.

Which of these three states represents a liquid?

a)

A

b)

B

c)

C

41.

Which model represents gas?

a)

A

b)

B

c)

C

42.
Is matter
a)
solid
b)
liquid
c)
gas
d)
solid, liquid and gas
43.
What does this picture represent? 
a)
solid
b)
liquid
c)
gas
d)
plasma
44.

An ice cube turning to water is an example of what phase change?

a)

Condensation

b)

Melting

c)

Sublimation

d)

Vaporization

45.

Solid dry ice turning into gaseous carbon dioxide is an example of what phase change?

a)

Condensation

b)

Melting

c)

Sublimation

d)

Recombination

46.

Particles have energy and _________ stop moving

a)
rarely
b)
always
c)
never
d)
sometimes
47.
Sublimation is
a)
when solid turns into gas
b)
when gas turns into plasma
c)
when liquid turns into gas
d)
when gas turns into solid
48.

What is Matter?

a)

Everything around us is matter

b)

things that can be seen or touched

c)

matter is nothing everything is a wave

d)

things that can be nor touched or seen

Show answers

Explanation

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49.

Name the 4 types of matter ?

small letters only

(a)  

50.

A state of matter that has a definite volume and shape. answer in small letters only.

(a)  

51.

A state of matter that doesn't have a definite shape but has a definite volume. answer in small letters only.

(a)  

52.

a state of matter that is nothing more than electrocuted gas. answer in small letters only.

(a)  

53.

A state of matter that doesn't have a definite shape or volume. answer in small letters only.

(a)  

54.

Liquid matter takes the shape of (a)   .

55.

Water in its solid form is (a)   .

small letters only.

56.

A measure of how much mass is contained in a given unit of volume.

a)

mass

b)

volume

c)

matter

d)

density

57.

The amount of space something takes up

a)

mass

b)

volume

c)

matter

d)

density

58.

What is anything that takes up space and has mass?

a)

mass

b)

volume

c)

matter

d)

density

59.

Which of the following expand or compressed easily?

a)

solid

b)

liquid

c)

gas

d)

plasma

60.

The change of state from gas to a liquid.

a)

Magnetism

b)

Evaporation

c)

Condensation

d)

Temperature

61.

Process in which a liquid ins converted ot a gas.

a)

Magnetism

b)

Evaporation

c)

Condensation

d)

Vaporization

62.

The conversion of a liquid to its vapor below the boiling temperature of the liquid.

a)

Magnetism

b)

Evaporation

c)

Condensation

d)

Vaporization

63.

The measure of average kinetic energy of the particles in matter.

a)

Temperature

b)

Evaporation

c)

Condensation

d)

Vaporization

64.

What process changes a solid to a liquid?

a)

Freezing

b)

Melting

c)

Condensation

d)

Vaporization

65.

Select the correct definition for an atom.

a)

The smallest part of an element that can exist.

b)

A substance made of only one type of atom.

c)

A substance made of more than one type of atom that are chemically bonded together.

d)

A substance made of more than one type of atom that are not chemically bonded together.

66.

Select the correct definition for an element.

a)

The smallest part of an element that can exist.

b)

A substance made of only one type of atom.

c)

A substance made of more than one type of atom that are chemically bonded together.

d)

A substance made of more than one type of atom that are not chemically bonded together.

67.

Select the correct definition for a compound.

a)

The smallest part of an element that can exist.

b)

A substance made of only one type of atom.

c)

A substance made of more than one type of atom that are chemically bonded together.

d)

A substance made of more than one type of atom that are not chemically bonded together.

68.

Elements can be found on the (a)   table.

69.

Select the diagram that shows an atom.

a)
b)
c)
d)
70.

Select the diagram that shows an element.

a)
b)
c)
d)
71.

Select the diagram that shows a compound.

a)
b)
c)
d)
72.

Select the elements from this list.

a)

Carbon dioxide

b)

Hydrogen

c)

Nitrogen

d)

Hydrochloric acid

e)

Iron

73.

Select the compounds from this list.

a)

Carbon dioxide

b)

Methane

c)

Nitrogen

d)

Hydrochloric acid

e)

Iron

74.

Select the compounds from this list.

a)

O2

b)

CO2

c)

HCl

d)

CH4

e)

Fe

75.

Select the elements from this list.

a)

O2

b)

CO2

c)

HCl

d)

CH4

e)

Fe

76.

The chemical formula for methane is CH4. How many carbon atoms are in a molecule of methane?

(a)  

77.

The chemical formula for carbon dioxide is CO2. How many oxygen atoms are in a molecule of carbon dioxide?

(a)  

78.

The chemical formula for water is H2O. How many hydrogen atoms are in a molecule of water?

(a)  

79.

The chemical formula for magnesium hydroxide is Mg(OH)2. How many oxygen atoms are in a molecule of magnesium hydroxide?

(a)  

80.

The word equation for a reaction is


magnesium + oxygen → magnesium oxide


What are the reactants in this reaction?

a)

Magnesium

b)

Oxygen

c)

Magnesium oxide

d)

oxide

81.

The word equation for a reaction is


sodium hydroxide + hydrochloric acid → sodium chloride + water


What are the products in this reaction?

a)

sodium hydroxide

b)

hydrochloric acid

c)

sodium chloride

d)

water

82.

The symbol equation for a reaction is


2Fe + O2 → 2FeO


What are the products in this reaction?

a)

Fe

b)

O2

c)

FeO

83.

What number is missing to balance the equation?


(a)   Cu + O2 → 2CuO

84.

What number is missing to balance the equation?


N2 + (a)   H2 → 2NH3

85.
Atoms combine to form _______. 
a)
electrons
b)
molecules
c)
nuclei
d)
neutrons
86.
Which part of an atom is POSITIVELY charged?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
87.
What part of an atom is NEGATIVELY charged?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
88.
Which part of an atom has no charge?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
89.

How many elements are in C6H12O6?

a)

1

b)

2

c)

3

d)

6

90.

This is a one or two letter representation of each element that is generally close to the element's name. The first letter of this will ALWAYS be capitalized.

a)

chemical symbol

b)

chemical number

c)

atomic number

d)

atomic mass

91.
The smallest particle of any element that still has the properties of that element is called
a)
an atom
b)
a compound
c)
a solution
d)
a mixture
92.
What is the role of an electron in an atom?
a)
live inside the nucleus and carry a neutral charge
b)
circle the nucleus and have a positive charge
c)
live inside the nucleus and have a negative charge
d)
circle the nucleus and have a negative charge
93.

Which of the following is a chemical symbol?

a)

H2O

b)

O

c)

NaCl

d)

FeO

94.

Which of the following is a chemical formula?

a)

H2SO4

b)

Si

c)

Hg

d)

C

95.

What is the chemical symbol for the element Carbon?

a)

C

b)

Ca

c)

Carb

d)

CO

96.

What is the chemical symbol of the element Hydrogen?

a)

Hy

b)

H

c)

Hydro

d)

Hg

97.
What does the 6 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
98.
What does 12.011 represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
99.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
100.

In an atom, what is the number of protons equal to?

a)

The number of electrons

b)

The number of neutrons

c)

The number of nuclei

d)

The number of molecules

101.

Particles in an atom that are neutral and have no charge are

a)

negatrons

b)

protons

c)

neutrons

d)

electrons

102.

Which element exists as a macromolecule ?

a)

Oxygen

b)

Carbon

c)

Sodium

d)

Hydrogen

103.

Which statement is not correct ?

a)

Ammonia is a compound.

b)

Methane is a compound.

c)

Air is a mixture.

d)

Sea water is a compound.

104.

Which of the following is not a mixture ?

a)

Tap water

b)

Petrol

c)

Ethanol

d)

Steel

105.

Which compound contains three elements ?

a)

Aluminium chloride

b)

Iron(III) oxide

c)

Sodium carbonate

d)

Potassium oxide

106.

Which particle contains most electrons ?

a)

O3-

b)

Ne

c)

Na-

d)

Mg3+

107.

Which ions has the most shells that contain electrons ?

a)

N3-

b)

Al3+

c)

Be2+

d)

S2-

108.

Which substance, when molten, conducts electricity ?

a)

bitumen

b)

caesium iodide

c)

diamond

d)

sand

109.

Which of these does not exist as a diatomic molecule ?

a)

Neon

b)

Chlorine

c)

Hydrogen

d)

Oxygen

110.

What is the Greek word from which 'atom' is derived, and what does it mean?

a)

atomos, meaning 'indivisible' or 'uncuttable'

b)

atomus, meaning 'small particle'

c)

atomikos, meaning 'invisible'

d)

atomia, meaning 'basic unit'

111.

What percentage of all the atoms in the universe come from the two lightest elements?

a)

More than 98%

b)

About 75%

c)

Less than 50%

d)

Approximately 85%

112.

What happens at the end of a large star's lifecycle that contributes to the creation of heavier elements?

a)

It turns into a white dwarf

b)

It collapses into a black hole

c)

It undergoes a massive explosion called a supernova

d)

It forms a new solar system

113.

What discovery allowed scientists to view images of different atoms that had previously been unseen?

a)

The invention of the electron microscope

b)

The development of the scanning tunnelling microscope

c)

The creation of the atomic force microscope

d)

The use of high-powered telescopes

114.

What would happen if you cut an atom of silver in half?

a)

You would have two smaller atoms of silver

b)

You would have one atom of silver and one atom of a different element

c)

You would no longer be in possession of the element silver

d)

The atom would remain unchanged

115.

What are elements considered to be?

a)

Mixtures of substances.

b)

Pure substances.

c)

Compounds.

d)

Chemical reactions.

116.

What is the name of the microscope that allowed scientists to view the first image of an atom?

a)

Electron microscope.

b)

Optical microscope.

c)

Scanning tunnelling microscope.

d)

Atomic force microscope.

117.

Which of the following is true about compounds?

a)

They are made of one element combined in a fixed ratio by weight.

b)

They have the same properties as the elements they are made of.

c)

They are formed when two or more elements combine with one another by chemically bonding.

d)

They are always in the gaseous state.

118.

What is the origin of the symbol 'W' for the element tungsten?

a)

It comes from its Latin name 'wolfram'.

b)

It is derived from the English word 'weight'.

c)

It is an abbreviation of the word 'white'.

d)

It stands for 'western' as it was discovered in the western world.

119.

Why do some symbols for chemical elements in the periodic table not match their English name?

a)

Because they are derived from the names of the scientists who discovered them.

b)

Because they are based on the elements' physical properties.

c)

Because they are taken from the elements' Latin or Germanic names.

d)

Because they are arbitrary letters chosen by the discoverer.

120.

What is the elemental form of hydrogen represented by?

a)

H

b)

H2

c)

H2O

d)

O2

121.

Why is H2 described as a molecule and not a compound?

a)

Because it consists of two different elements.

b)

Because it consists of two atoms of the same element.

c)

Because it can be easily separated into atoms.

d)

Because it is a liquid at room temperature.

122.

What is the formula for a water molecule?

a)

H2

b)

O2

c)

CO2

d)

H2O

123.

Why is water described as both a molecule and a compound?

a)

Because it is made of two hydrogen atoms only.

b)

Because it is made of two oxygen atoms only.

c)

Because it is made of two hydrogen atoms and one oxygen atom.

d)

Because it can exist in three states of matter.

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