Question

Name an element which has one electron in its outer most shell

Answer 1

Answer:

Sodium -Na hasone electron in its outer most shell.

Answer 2

All elements in the group 1 of periodic table have only 1 electron in its outermost shell.(you can select any one from these.)

They are:-

H - 1     (HYDROGEN)

Li - 2,1     (LITHIUM)

Na - 2,8,1     (SODIUM)

K - 2,8,8,1      (POTASSIUM)

Rb - 2,8,18,8,1      (RUBIDIUM)

Cs - 2,8,18,18,8,1      (CAESIUM)

Fr - 2,8,18,32,18,8,1      (FRANCIUM)