Answer : 2. "3"
Explanation :

Answer: B) 3 Explanation: Nitrogen (N2) forms Three Covalent Bonds to become stable.   Here the Atmomic Number of Nitrogen is 7. Because there are 2 electrons in the first orbital and 5 in the second and you still have space for 3 more. So it shares, 3 to get the stable octet. Therefore, there are 3 covalent bonds in N2.