Question

An atom has an electronic configuration 2, 8, 7

◇ Name the element.

◇Write its group and period of that element.

Answer 1

Name of Element :- Chlorine

Group:-17

Period:-3

Answer 2

$\it\huge\mathfrak\red{name:-}$]Chlorine.

$\it\huge\mathfrak\red{group:-}$]17

$\it\huge\mathfrak\red{period:-}$]3