G,h, i orbitals?

In my quantum class I was told that after f orbitals there would be g,h and i orbitals. I would assume that g orbitals would therefor pop up in the 5th energy level and I was wondering how many more elements would have to be discovered before we got to one that has a g orbital occupied in its ground state? If it's close then do we have a scheme developed for a new periodic table arrangement?

Answer:
You're right that the first g orbital would show up in the 5th shell, but due to the way the orbital is shaped, the first ground state electron will not fall into the 5g orbital until after the 8s chemistry eorbital is filled up, so probably sometime around element 122. The reason for this is a phenomenon called electron shielding. In simple terms, it means that the electrons in the 5g orbital can't get close enough to the nucleus to feel all the nuclear charge that the inner shell electrons feel, and is forced to higher energy.

Some have recognized the problem with current periodic tables and have developed newer ones that try to tie everything together in a more elegant way. One of the more novel ones is called the chemical galaxy, which can be found here:

http://en.wikipedia.org/wiki/chemical_ga...

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G,h, i orbitals?

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