Are the following materials atoms, molecules, or both?
a. carbon
b. water
c. carbon dioxide
d. nitrogen

A molecule has all valencies covered by molecular (covalent) bonds, leaving no unpaired electrons. A carbon atom needs to form four bonds, and can not be considered a molecule by itself. Buckminsterfullerene, a “sphere” made of sixty carbon atoms, is a molecule completely consisting of carbon atoms.

Explanation:

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idk i’m struggling too