A Single Atom of Carbon May Form Up to ____

Question

A single atom of carbon may form up to ____ covalent bonds with other atoms.  
A) two
B) three
C) four
D) five
E) six

Accepted Answer

Carbon has 4 valence electrons, and each electron can form a covalent bond with another atom. Thus, a single atom of carbon can form up to four covalent bonds with other atoms.