Write down the ground state electron configurations of the following ions. (Type your answer using the format [Ar] 4s2 3d10 4p2 for[Ar]4s23d104p2.If the configuration is a noble gas, enter the noble gas in brackets, for example [Ne] for F -.)
(a) Sn2+
(b) Sr2+
(c) Zn2+
(d) Au+
(e) In3+
(f)Te2-