(1) Which is more polar: a nitrogenfluorine bond or nitrogenchlorine bond?

A) A nitrogenfluorine bond is more polar.

B) Neither a nitrogenfluorine bond nor a nitrogenchlorine bond is polar.

C) A nitrogenchlorine bond is more polar.

D) A nitrogenfluorine bond and a nitrogenchlorine bond are equally polar.

(2) If three protons and three neutrons are removed from the nucleus of a fluorine-19 atom, which element's nucleus remains?

A) carbon-13

B) oxygen-16

C) nitrogen-14

D) magnesium-24