which element in period 3 has the highest 2nd ionisation energy?
which element in period 3 has the highest 2nd ionisation energy? Watch
- Thread Starter
- 26-09-2016 21:12
- 26-09-2016 21:21
It should be sodium because it is the only element in period 3 to have its second electron to be lost in the previous sub shell, so that electron is closer to the nucleus than for the other period 3 elements, so nuclear forces are stronger, and there is less shielding from other shells.