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10-04-2018
Chemistry

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Why is 18-karat gold considered a mixture rather than a pure substance? A) It has a variable composition. B) Its color is different than pure gold. C) The gold atoms are not arranged in a repeating pattern. D) It can be melted and transformed into a different substance

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ellamisner ellamisner

14-04-2018

A. it has variable composition

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ezysqezy ezysqezy

25-09-2018

The answer is A because It has a variable composition. 18-karat gold is not made up of just gold atoms.

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