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The answer is B.
Oxygen is an element, gas is a molecule and O2 is a pure substance.
Hope this helps
Oxygen is an element, gas is a molecule and O2 is a pure substance.
Hope this helps
Oxygen gas O2 is a compound, a molecule and a pure substance.
Oxygen gas is a compound because it contains more than one atom( two oxygen atoms) that are chemically combined together.
Oxygen gas is a molecule because it can exist independently as a unit and the oxygen atoms are covalently bound.
It is a pure substance because it contains only oxygen molecules.
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