Recall that pure substances can be classified according to its composition or what it's made of in terms of atoms.
It is considered:
1. An element - if there is only one type of atom present, OR
2. A compound - if there are 2 or more types of atoms bonded together or more than 1 element together.
This image represents a particulate view of a sample of matter.
Classify the sample according to its composition.
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