kylie2659 kylie2659

30-01-2018
Chemistry

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A pure substance composed of only one type of atom; cannot be broken down into another substance by physical or chemical means.

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sparky10531 sparky10531

11-02-2018

ELEMENT: A substance that cannot be decomposed (broken down) into simpler substances by ordinary chemical means. Examples: gold, iron, carbon, hydrogen, oxygen, nitrogen.

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