which of the following ions has a noble gas electron configuration?

Question

which of the following ions has a noble gas electron configuration?
A) Cr3+
B) Fe3+
C) Cu2+
D) S2-
E) Zn2+
thank you for any help:)

Answer 1

i would say S2-
the electronic shell is 1s22s2sp63s23p6 which is the shell of argon

Answer 2

in basic terms S2- ( = 18 electrons = Argon electron configuration). I want i ought to obtain the thumbs down service provider...he'd be lacking the two thumbs, that they had be so a approaches up his *** he'd on no account locate them.

Answer 3

E because is a noble gas and is it the period 8 which are the unreactive atoms