nacoralashay16 nacoralashay16

17-04-2020
Chemistry

contestada

helium and nickel are examples of ________. These
are pure substances that can not be broken
down into simpler materials.

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Аноним Аноним

17-04-2020

Answer:

Elements, in turn, are pure substances—such as nickel, hydrogen, and helium—that make up all kinds of matter.

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