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Worksheets

Grade 6 Chemistry

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.
What is the tiniest particle in the entire universe?
a)
cells
b)
gases
c)
atoms
d)
liquids
2.
What is the term for combining 2 or more DIFFERENT atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
3.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
4.
Which one has more than one type of atom in it
a)
Element
b)
Compound 
5.

Which of the following is not a compound?

a)

O

b)

CHO

c)

NaCl

d)

CHLi

6.

Which of the following is a compound from the chemical reaction listed above?

a)

Oxygen

b)

Hydrogen

c)

Water

d)

Carbon

7.

Which of the following diagrams illustrates a compound?

a)
b)
c)
d)

None of the above

8.

Which of the following best describes the difference between elements & compounds?

a)

Elements and compounds are so similar in chemical nature that they are virtually the same thing.

b)

Elements and pure substances composed of one kind of particles whereas compounds are substances that contain two or more elements that have chemically combined.

c)

Elements can be found naturally whereas compounds have to be created by scientist.

d)

Elements are substances that contain two or more particles that have chemically combined whereas compounds are pure substances composed of one kind of particle.

9.
How many atoms of oxygen are there in water? H2O
a)
1
b)
2
c)
0
10.
How many atoms of sulphur are in sulphuric acid? H2SO4
a)
6
b)
2
c)
4
d)
1
11.
How many atoms are there all together in HCl?
a)
1
b)
2
c)
3
12.
What are the different elements in carbon dioxide?
a)
carbon
b)
cobalt and oxygen
c)
oxygen and carbon
d)
oxide and carbon
13.
What is the correct chemical formula for water?
a)
H2O
b)
HO2
c)
H2O
d)
H2O
14.

Both elements and compounds are pure substances.

a)

Agree

b)

Disagree

15.

The chemical symbol of an element always matches the element's name.

a)

Agree

b)

Disagree

16.

Two or more different elements chemically combine to form compounds.

a)

Agree

b)

Disagree

17.

Every compound has a chemical formula.

a)

Agree

b)

Disagree

18.

NaCl is an example of a compound that contains helium and oxygen atoms.

a)

Agree

b)

Disagree

19.

Compounds have properties different from the elements that make it up.

a)

Agree

b)

Disagree

20.

Represented by an unique chemical symbol

a)

Elements

b)

Compounds

c)

Both

21.

Can be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

22.

Cannot be broken down into a simpler substance

a)

Elements

b)

Compounds

c)

Both

23.

Have different properties than the substances from which they are formed

a)

Elements

b)

Compounds

c)

Both

24.

State of matter (solid, liquid, gas), shape and mass

a)

Physical Property

b)

Chemical Property