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Compounds

Total questions: 28

Worksheet time: 29mins

Name
Class
Date
1.

Compounds are made up of two or more atoms chemically bonded together?

a)

True

b)

False

2.

The properties of the elements that make up a compound are usually very similar to the compound itself.

a)

True

b)

False

3.
How many elements are represented in the compound?
Na2CO3
a)
1
b)
2
c)
3
d)
4
4.

Which of the following is not a compound? (Tip - 'l' is a lower case 'L', not a capital 'I'/eye)

a)

HCl

b)

Cl

c)

NaCl

d)

CO2

5.
Does this picture show a compound?
a)
No
b)
Yes
6.
Can compounds be found in the periodic table?
a)
Yes
b)
No
7.
How many carbon atom/s are present in the compounds CaCO3?
a)
1
b)
2
c)
3
d)
4
8.

The properties of a compound are different to the properties of the elements in it.

a)

True

b)

False

9.
Is water an element or a compound?
a)
Element
b)
Compound
10.
A compound consists of two or more elements bound together.
a)
True
b)
False
11.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
12.
How many elements are in HHe
a)
3
b)
4
c)
2
d)
5
13.

Is salt (NaCI) a compound or an element

a)

Compound

b)

Element

14.
Is sugar (C12H22O11) an element or a compound?
a)
Element
b)
Compound
15.
Is Iron (Fe) an element or a compound?
a)
Element
b)
Compound
16.

An element is a....

a)

pure substance

b)

compound

c)

mixture

d)

molecule

17.
which one can be found on the periodic table
a)
Compound 
b)
Element
18.
Which of the following represents an element?
a)
H2O
b)
H2
c)
NaCl
d)
CaCO3
19.
Atoms combine to form _______. 
a)
electrons
b)
molecules
c)
nuclei
d)
neutrons
20.

Name the compound, CaCO3

a)

calcium carbide

b)

calcium carbon trioxide

c)

calcium carbon oxide

d)

calcium carbonate

21.

Name the compound, LiCl

a)

lithium chlorine

b)

lithium chloride

c)

lithium chlorate

d)

lithium monochloride

22.

Name the following compound:

CO2

a)

monocarbon dioxide

b)

carbon oxide

c)

carbon dioxide

d)

oxygen carbonide

23.
What is the proper name for CaCl2?
a)
Calcium dichloride
b)
Monocalcium dichloride
c)
Calcium chloride
d)
Calcium chlorine
24.
Name the compound Na2O
a)
Sodium Oxide
b)
Sodium Dioxide
c)
Sodium Oxygen
d)
Natride Oxide
25.
What cannot be broken down into other substances?
a)
Compound
b)
Mixture
c)
Solids
d)
Element
26.
What is made up two or more elements that are chemically combined?
a)
Element
b)
Mixture
c)
Compound
d)
Solids
27.
Which of the following an element?
a)
Carbonic Acid
b)
Copper
c)
Iron and Copper
d)
Water
28.

The properties of compounds are the same as the properties of the elements in them?

a)

True

b)

False

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