Question

three elements that have a single electrons in their outer most shell

Answer 1

<<<<Three elements that have a single electron in their outermost shell are >>>>>>


Lithium with E.C=2.1,

sodium with E.C=2.8.1
and
potassium with E.C=2.8.8.1

HOPE IT HELPS you!!!
:-)

Answer 2

HELLO FRIEND!!!

→The three elements that have a single electron in their outermost shell are sodium,lithium and potassium.

HOPE IT HELPS.

REGARDS
★KHUSHI★