Question

give the number of electrons present in the outermost shell of one atom of each of the following elements (a )Helium (b ) Magnesium ( c )Sulphur​

Answer 1

Before answering i would like to tell you that to find the answer you must have the knowledge of the electronic configuration of those elements.

A)Helium        Shells     K=2 L= -- M=-- N=--

Therefore 2 e- are there

B)Mg   EC=2,8,2,0 therefore 2e-

C) S  EC=2,8,6 therefore 6e- are present

PLZ MRK AS BRAINLIST

Answer 2

Helium-2

Magnesium-2

Sulphur-5

HOPE IT HELPS U.......