The valency of carbon Atom is __________ ?

A. 1
B. 2
C. 3
D. 4

 
The valency of carbon is 4. As the atomic number of carbon is 6, it has a total of 6 electrons in one atom arranged in the following configuration. it needs to add 4 more electrons to the 2p sub-shell, or lose 4 electrons from the 2s and 2p sub-shells.