Question

2. Match each diagram with its correct description. Diagrams will be used once.
.
O
A
B
с
D
E
Pure Element - only one type of atom present.
Mixture of two elements – two types of uncombined atoms present.
Pure compound - only one type of compound present.
Mixture of two compounds - two types of compounds present.
Mixture of a compound and an element.

Answer 1

Answer:

1.C

2.E

3.B

4.A

5.D

Explanation:

Answer 2

C- Pure element - one type of atom present

E- Mixture of two elements - two types of uncombined atoms present

B- Pure compound - only one type of compound present

A - Mixture of two compounds - two types of compounds present

D- Mixture of a compound and an element

The images represent;

• Pure element

• Mixture of two elements

• Pure compound

• Mixture of two compounds

• Mixture of a compound

In image C, there is only one kind of uncombined representation, this corresponds to a pure element

Image E has two uncombined representations which corresponds to a mixture of two elements

Image B consists of only one type of combined representation. This corresponds to a pure compound.

Image A shows two kinds of combined representations. This corresponds to a mixture of two compounds.

Image D consists of some combined representations and some uncombined representations. This corresponds to a mixture of a compound and an element.

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