Question

part 3: match each diagram with its correct description. diagrams will be used once.
a b c d e

1. pure element - only one type of atom present.
2. mixture of two elements - two types of uncombined atoms present.
3. pure compound - only one type of compound present.
4. mixture of two compounds - two types of compounds present.
5. mixture of a compound and an element.

Explanation:

Step1: Analyze Diagram A

It shows only one - type of compound, so it is a pure compound.

Step2: Analyze Diagram B

It has two types of compounds, so it is a mixture of two compounds.

Step3: Analyze Diagram C

It has only one type of atom, so it is a pure element.

Step4: Analyze Diagram D

It has a compound and an element, so it is a mixture of a compound and an element.

Step5: Analyze Diagram E

It has two types of uncombined atoms, so it is a mixture of two elements.

Answer:

1. C
2. E
3. A
4. B
5. D