Why is carbon important for forming complicated molecules?

O

A. It forms very weak bonds.

O

B. It can only form two ionic bonds.

OO

c. It can form an ionic bond with itself.

O

D. It can form four covalent bonds.

A. Carbon can form four strong covalent bonds.

Explanation;

Carbon can form up to 4 covalent bonds, and it can form reasonably strong bonds with nitrogen, oxygen, and other heteroatoms.

Carbon also has an almost unique ability to catenate: to form long chains with

C - C linkages, and along the chain there can be regions of different reactivity (by the presence of functional groups).