How Many Electron Pairs Does Carbon Share in Order to Complete

Question

How many electron pairs does carbon share in order to complete its valence shell?
A) 1
B) 2
C) 3
D) 4
E) 8

Accepted Answer

Carbon has 4 valence electrons, so it needs to share 4 additional electrons to complete its valence shell. This means it must share 4 electron pairs, which corresponds to choice D.