please answer these quickly really appreciate it

Using complete subshell notation (not abbreviations, 1s22s22p6, and so forth), predict the electron configuration of each of the following atoms:

(a) N2-

(b) Ca2+

(c) S-

(d) Cs2+

(e) Cr2+

(f) Gd3+

Using complete subshell notation (not abbreviations, 1s22s22p6, and so forth), predict the electron configuration of each of the following atoms:

(a) C

(b) P

(c) V

(d) Sb

(e) Sm