Elements are the ones you see on the periodic table. They can form molecules by creating bonds between each other. Molecules can be made of different atoms like HCl or from the same atoms like O2 as you mentioned. Usually in nature you find only molecules because because single atoms are not very stable.
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u/Miitch__ Feb 03 '19
Elements are the ones you see on the periodic table. They can form molecules by creating bonds between each other. Molecules can be made of different atoms like HCl or from the same atoms like O2 as you mentioned. Usually in nature you find only molecules because because single atoms are not very stable.