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Bess [88]
3 years ago
11

Why does hydrogen naturally form diatomic molecules (H2), whereas helium exists as a single atom (He)?

Chemistry
1 answer:
Dimas [21]3 years ago
5 0

Answer:

Hydrogen is a very reactive element. It doesn't exist as a single atom in nature. Neither do any of the other binary nonmetals -- nitrogen, oxygen, fluorine, chlorine, bromine, and iodine. They're too prone to react with something. They react with each other and form binary molecules because the binary molecules are more stable than single atoms (by a lot!). Compounds with other atoms are even more stable, so hydrogen reacts with oxygen to form water, and chlorine reacts with sodium to form table salt.

Explanation:

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