Rank the following atoms in order of decreasing size (i.e., largest to smallest): Rb, F, Mg, B, N.
A) Rb > Mg >B>N>F
B) NF >B> Mg > Rb
C) Rb > Mg > F>N>B
D) Mg > Rb >B>N>F
E) Rb > Mg >N>B>F