unit 4 definitions

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Chemistry

Atoms

A-Level Chemistry

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6 Terms

1
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atom

smallest building unit

2
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element

pure substance of one type

3
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compound

substance of two or more elements (cb)

4
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mixture

substance of two or more elements (not cb)

5
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heterogeneous mixture

can see the difference same uniform

6
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homogeneous mixture

cant see the difference in parts