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Worksheets

Compounds, Molecules, Elements, Mixtures

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

What is the element Au?

a)

Iron

b)

Titanium

c)

Gold

d)

Flourine

2.

What is the element Fe?

a)

Gold

b)

Flourine

c)

Phosphorus

d)

Iron

3.

What is the formula for a molecule of water?

a)

NaCl

b)

H2O

c)

H2O2

d)

CaCO

4.

What is the symbol for the element calcium?

a)

Cl

b)

Ca

c)

Cm

d)

C

5.

An element is a ___ with only one type of atoms.

a)

pure substance

b)

compound

c)

mixture

d)

molecule

6.

Is table salt (NaCI) a compound or an element?

a)

compound

b)

element

c)

both an element and a compound

d)

it is not an element or a compound

7.

Which one can be found on the periodic table?

a)

compounds

b)

elements

c)

mixtures

d)

compounds, elements, and mixtures

8.

Which of the following represents a diatomic element?

a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
9.

Which of the following is not a compound?

a)

HCl

b)

Cl

c)

NaCl

d)

CO2

10.
What does the C represent?
a)
atomic mass
b)
atomic number
c)
element name
d)
chemical symbol 
11.

Which element has the chemical symbol K?

a)

potassium

b)

krypton

c)

sodium

d)

calcium

12.

How would you classify sugar (C12H22O11)?

a)

Element

b)

Compound

c)

Mixture

13.

How would you classify Iron (Fe)?

a)

Element

b)

Compound

c)

Mixture

14.

What is made up of two or more elements that are chemically combined?

a)

Element

b)

Diatomic Molecule

c)

Compound

15.

Which of the following an element with one type of atoms?

a)

Water (H2O)

b)

Copper (Cu)

c)

Rust (Fe2O3)

16.

Classify this graphic.

a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
17.

Classify this graphic.

a)

An element

b)

A molecule

c)

A compound

d)

A mixture of elements and compounds

18.

Classify this graphic.

a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds
19.

Classify this graphic.

a)
element
b)
compound
c)
mixture of elements
d)
mixture of compounds and elements
20.

Classify this graphic.

a)
element
b)
compound
c)
mixture of elements and compounds
d)
mixture of compounds