Question

Chlorine is a reactive element used to disinfect swimming
pools. Two isotopes of Cl-35 and Cl-37. Write electronic
configuration of each isotope of chlorine. Also write symbol for
these isotopes.

Answer 1

Explanation:

Electronic configuration of the both isotopes of chlorine is same as 2,8,7.

Symbol of Chlorine is same

Top left corner atomic number and in bottom atomic mass