A carbon atom is able to form four single covalent bonds because it

has four electrons and four protons.

has four valence electrons in its outermost energy level.

forms a polyatomic ion with a -4 charge.

forms a more stable isotope when it gains four more electrons.

Question

A carbon atom is able to form four single covalent bonds because it

 has four electrons and four protons.

 has four valence electrons in its outermost energy level.

 forms a polyatomic ion with a -4 charge.

 forms a more stable isotope when it gains four more electrons.

anonymous · Answer

im almost positive it is B

somy · Answer

i think so too http://en.wikipedia.org/wiki/Tetravalence