Question

the ion having 8electrons in the outermost shell
1)mg++ (z=12)
2)Al+++(z=13)
3)o-2(z=8)
4)all the above







calculate the effective nuclear charge for 3s electron of magnesium
1)1.85
2)2.00
3)9.15
4)2.85​

Answer 1

Answer:

sorry I don't know the answer of the question