試題詳解

10. Which statement about N₂ is false?
(A) It is a gas at room temperature.
(B) The oxidation state is +3 on one N and -3 on the other.
(C) It has one sigma and two pi bonds between the two atoms.
(D) It can combine with H₂ to form NH₃.
(E) It has two pairs of nonbonding electrons.