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Which cannot be separated into simpler substances?
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Which cannot be separated into simpler substances?

User Oleksandr Slynko
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6 votes

Answer:

A pure substance

Step-by-step explanation:

User Casper Bang
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4 votes

Answer:

An element is a pure substance that cannot be separated into simpler substances by chemical or physical means. There are about 117 elements.

Step-by-step explanation:

User Habitats
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