Post on 08-Mar-2016
description
I can tell a simple way for this.... 1) If the last electron goes in "s orbital" then the group of element is equal to the number of electrons in last s orbital. 2) If the last electron goes in "p orbital" then the group is equal to number of electrons in lastp orbital +12 3) If the last electron goes in "d orbital" then the group is equal to number of electrons in last d