A molecule of ammonia (NH₃ ) has
(a) only single bonds
(b) only double bonds
(c) only triple bonds
(d) two double bonds and one single bond

Correct Answer: (a) only single bonds

Explanation: Nitrogen has three electrons in its outermost shell and hydrogen has 1. 3 hydrogen atoms combines with 1 nitrogen atom to make ammonia. These bonds are single bonds.