wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Y7 Elements and Compounds

Total questions: 52

Worksheet time: 46mins

Name
Class
Date
1.

The smallest particle of matter that makes up an element and a compound?

a)

Element

b)

Chemical

c)

Atom

d)

Substance

2.

Which statement best describes an element?

a)

pure, made of more than one type of atom

b)

when combined, a chemical reaction forms

c)

pure, made of only one type of atom

d)

can be broken down easily

3.
Which one can be found on the periodic table?
a)
Compound 
b)
Element
4.
Which one has more than one type of atom in it?
a)
Element
b)
Compound 
5.

Helium (He) is an example of an:

a)

Element

b)

Compound

c)

Solution

d)

Mixture

6.

When two or more different elements chemically combine, a __________________________ is formed.

a)

element

b)

compound

c)

mixture

d)

solution

7.

Examples are water (H2O) and carbon dioxide (CO2).

a)

elements

b)

compounds

8.

This picture represents which of the following?

a)

element

b)

compound

9.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
10.

Carbon is considered an element, while carbon dioxide is considered a compound. This is because carbon dioxide is ---

a)

a gas at room temperature.

b)

made of two different elements.

c)

given off by green plants.

d)

useful to human beings

11.

A section of the Periodic Table is shown. What is the Chemical Symbol for Magnesium?

a)

12

b)

Magnesium

c)

24.31

d)

Mg

12.

The smallest particle of any particular type of matter is known by which of the following terms?

a)

Element

b)

Chemical

c)

Atom

d)

Compound

13.

What is the difference between Co and CO?

a)

CO is an element but Co is a compound

b)

Nothing is different. They are the same thing.

c)

CO is two elements and Co is only one element

d)

Co is not a pure substance

14.

Which is the best description of an element?

a)

A substance that cannot be broken down into simpler substances

b)

A collection of atoms that have different abilities when joined together

c)

A man-made mineral

d)

A mixture of substances

15.

How many elements are in this compound?

a)

13

b)

6

c)

4

d)

3

16.
These contain only one kind of atom. 
a)
element 
b)
compound 
c)
mixture 
d)
water 
17.

This picture represents which of the following?

a)

element

b)

compound

18.

This picture represents which of the following?

a)

element

b)

compound

19.

This picture represents which of the following?

a)

element

b)

compound

20.

This picture represents which of the following?

a)

element

b)

compound

21.

This picture represents which of the following?

a)

element

b)

compound

22.
What is the difference between a compound and an element?
a)

Compounds are made up of elements and can be chemically separated. Elements cannot be separated.

b)

Elements make up compounds. Elements can be separated but compounds cannot be separated.

c)

Elements are found on the periodic table and compounds are found on the dining room table.

23.
Which of the following is a compound?
a)
Co
b)
He
c)
CO
d)
H
24.
Which statement best describes an element?
a)
made from mixture 
b)
thousands in the world
c)
pure, made of only one thing
d)
can be separated 
25.
Which best describes a compound? 
a)
found on the periodic table 
b)
made from two or more elements
c)
a pure substance 
d)
only 100 in the world 
26.
A new compound has been discovered. Here is the chemical formula:
CHOFeNaNPb 

How many elements are in this compound?
a)
5
b)
6
c)
7
d)
10
27.
The chemical symbol O is used for what element?
a)
Cerium
b)
Cobalt 
c)
Oxygen
d)
Osmium
28.
How many different elements are represented in the compound?
Fe3O4
a)
2
b)
3
c)
1
d)
4
29.
How many different elements are represented in the compound?
CH4
a)
1
b)
2
c)
3
d)
4
30.
Which of the following is the chemical symbol for Hydrogen? 
a)
He
b)
H
c)
Hy
d)
Hn
31.
What are the states of matter?
a)
solid, liquid, and juice
b)
solid and liquid
c)
solid and gas
d)
solid, liquid, and gas
32.
Which of the following statements is NOT true of all different types of matter?
a)
They are made of atoms and molecules
b)
The particles are always in motion
c)
The particles always move at the same speed
d)
They are made of particles that are too small to see
33.
State of matter with no definite shape or volume.
a)
solid
b)
liquid
c)
gas
d)
Mississippi
34.
The change of state from a liquid to a solid
a)
freezing
b)
melting
c)
evaporation
d)
boiling
35.
Change of state from a solid to a liquid.
a)
sublimation
b)
deposition
c)
freezing
d)
melting
36.
What is the change of state from a gas to a liquid called?
a)
deposition
b)
sublimation
c)
evaporation
d)
condensation
37.
Change of state from a solid directly to a gas is called
a)
deposition
b)
melting
c)
evaporation
d)
sublimation
38.
What happens when my glass of water is sitting in the sun and disappears into a gas?
a)
evaporation
b)
burning
c)
melting
d)
freezing
39.
Particles of a liquid
a)
are tightly packed together and vibrate in place
b)
have no viscosity.
c)
collide with one another
d)
vibrate and slide past each other
40.
Molecules are closest together in a 
a)
Solid
b)
Liquid
c)
Gas
d)
plasma
41.
The steam coming off the pot of boiling water is an example of....
a)
a solid becoming a liquid
b)
a liquid becoming a solid
c)
a liquid becoming a gas
d)
a gas becoming a liquid
42.
From 30 degrees to 55 degrees, what state of matter is the substance?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
43.
Which form of matter does not take the shape of its container?
a)
liquid
b)
gas
c)
solid
d)
air
44.
What state of matter does the picture best describe?
a)
Solid
b)
Liquid
c)
Gas
45.
Which State of Matter does the diagram best represent?
a)
Solid
b)
Liquid
c)
Gas
46.
If the tops were removed from the cylinders, the following would happen:
a)
The solid would fly out of the container
b)
The liquid would fly out of the container.
c)
The gas would fly out of the container.
d)
They ALL would fly out of the container.
47.

What did Dmitri Mendeleev invent?

a)

Children

b)

Periodic Table

c)

Russian currency

d)

Calculator

48.
In the reaction methane + oxygen turns into carbon dioxide + water, the methane and oxygen are called _______________.
a)
reactants
b)
products
c)
neutrals
d)
energizers
49.
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
50.
a substance that is formed as the result of a chemical reaction
a)
Product 
b)
Reactant
c)
Starters
d)
Enders
51.

When iron reacts with sulfur, it creates...

a)

sulfur ironide

b)

iron sulfide

c)

iron sulfate

d)

iron sulfurous

52.

When magnesium reacts with oxygen, there is a bright light, and it creates...

a)

oxygen magneside

b)

magnesium oxate

c)

magnesium oxide

d)

magnesium hydroxide

Similar Resources on Wayground

Chemistry of Matter

52 questions

Chemistry of Matter

quiz

Worksheet

•

7th - 8th Grade

Chemical and Physical Changes

50 questions

Chemical and Physical Changes

quiz

Worksheet

•

7th Grade

STAAR Science Review II

52 questions

STAAR Science Review II

quiz

Worksheet

•

6th - 8th Grade

Elements and the Periodic Table

56 questions

Elements and the Periodic Table

quiz

Worksheet

•

7th Grade

Chemical Equations

55 questions

Chemical Equations

quiz

Worksheet

•

6th - 7th Grade

LCM and Balancing Equations

47 questions

LCM and Balancing Equations

quiz

Worksheet

•

6th Grade - University

IQWST IC2 Review

57 questions

IQWST IC2 Review

quiz

Worksheet

•

6th - 8th Grade

Y9 Earth and Atmosphere

48 questions

Y9 Earth and Atmosphere

quiz

Worksheet

•

5th - 8th Grade