Question

1. carbon has four electrons in its outer shell. why does this make it important to life? (1 point)

choice a the outermost shell can form up to four covalent bonds and this allows it to form biomolecules.
choice b the outermost shell never fills making it unstable and unable to bond to other carbon molecules.
choice c the outermost shell is full, making it a stable element that can bond to water.
choice d carbon is used to make water.

Explanation:

Carbon's outer - shell with 4 electrons can form 4 covalent bonds, crucial for biomolecule formation.

Answer:

A. The outermost shell can form up to four covalent bonds and this allows it to form biomolecules.