the atomic number of beryllium is 4 while that of oxygen is 8.write down the electronic configuration of the both and deduce their valency from thevsame

the atomic number of beryllium is 4 while that of oxygen is 8.write do

1.	the atomic number of beryllium is 4 while that of oxygen is 8.write down the electronic configuration of the both and deduce their valency from thevsame
Answer» Beryillium ......2,2. and VALENCY +2 Oxygen.......2,6...and valency _2.....