Name and give the symbol of the element that has the characteristic given below. (a...

Name and give the symbol of the element that has the characteristic given below.

(a) Its electron configuration in the excited state can be

(b) It is the least electronegative element in period 3.

(c) Its +3 ion has the configuration [₃₆Kr].

(d) It is the halogen with the largest atomic radius.

(e) It has the largest ionization energy in Group 16.