tredmonree tredmonree

15-01-2020
Chemistry

contestada

Which is not a compound?

oxygen gas
water
silicon dioxide
carbon dioxide gas

Respuesta :

DrMantisToboggan DrMantisToboggan

15-01-2020

Answer:

Oxygen gas

Explanation:

It is a pure element. The rest are compounds made up of two or more elements. For eg silicon dioxide is made of silicon and oxygen.

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