Question

the atomic number of chlorine is 17 and mass number is 35 (a) what would be electronic configuration of a negatively charged chloride ion , Cl-​

Answer 1

Answer:

2,8,8

Explanation:

electronic configuration of chlorine = 2,8,7

to become stable it gains electron and aquire negative charge

so one electron is added to the electronic configuration

electronic configuration of chlorine = 2,8,8