## predicting the type of orbital

halle young 4A
Posts: 68
Joined: Thu Jul 11, 2019 12:16 am

### predicting the type of orbital

homework problem 1E.17

For each of the following ground-state atoms, predict the type of orbital (1s, 2p, 3d, 4f, etc.) from which an electron will removed to form the +1 ion: (a) Ge; (b) Mn; (c) Al; (d) Cu.

Can someone please explain part b? I am confused on how the answer is the 4s orbital.
thanks

Daniel Honeychurch1C
Posts: 109
Joined: Thu Jul 11, 2019 12:15 am

### Re: predicting the type of orbital

The 4s sub-shell has a higher energy than the 3d sub-shell. The first electron removed is from the sub-shell with the highest energy (furthest from nucleus).

Posts: 106
Joined: Sat Aug 24, 2019 12:17 am
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### Re: predicting the type of orbital

You remove an electron from the highest energy level (furthest from the nucleus). You can figure out the relative energy levels of orbitals using a periodic table and moving across each row from left to right.