Respostas

2014-06-28T13:20:36-03:00
13 Al⁺³ ~> 1s² 2s² 2p⁶
3 4 3
2014-06-28T17:33:01-03:00
13 AL⁺³ ~1s² 2s₂ 2p₆
1 5 1