Question

23) a pure substance which cannot be split into simpler substances by chemical means is ? 1) element 2) compound 3) mixture ?​

Answer 1

Explanation:

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

Answer 2

Answer:

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

Explanation:

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