the electronic configuration of an element is 1s2 2s2 2p6 3s2 3p3. the atomic number of the element which is just below the above element in the periodic table is ________
atomic no:15..........(2+2+6+2+3) this element is/.............PHOSPHORUS nd below this comesASTERDINEwith atomic no: 33 ....that is:1s2 2s2 2p6 3s2 3p64s23d104p3