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by freshpots 2180 days ago
Oxygen is an element. Diatomic oxygen commonly known as O2 is a chemical. Everything is made of elements, including chemicals.
1 comments
taneq 2179 days ago
Oxygen gas, colloquially referred to as 'oxygen', is a chemical.

If you want to be a smartypants I guess noble gases are elementary.

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freshpots 2178 days ago
I didn't start the pedantry.
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