Question

Carbon is an essential atom in many organic molecules. Why is it so useful? (1 point)

O It has an empty outer shell of electrons, allowing it to accept electrons from a larger number of atoms.
O It has a half-full outer shell of electrons, allowing it to form a wide variety of bonds.
O It has a full outer shell of electrons, so it does not need electrons from other atoms.
O It has an almost full outer shell of electrons, meaning that it is has a greater tendency to bond with other atoms.
Check Answer
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Answer 1

It has a half-full outer shell of electrons, allowing it to form a wide variety of bonds.

Step-by-step explanation:

Cabon has 6 electrons (2 in 1s/2 in 2s/2 in 2p).

Octet rule states that atoms want to have full 8 valence electrons by bonding or giving electrons.

Carbon is essential, because it has 4 valence electron(half-full outer shell), allowing the carbon to bond with up to 4 other atoms and have these long chains that are backbone to organic molecules