Lanthanum . Lantane . "1", "5", "d"

Lanthanum - LaFor lanthanum it’s necessary to concentrate at the first symbol of the electronic configuration and the penultimate character of the electronic configuration, and the one preceding it, that is on "1", "5", "d". When concentrating on the electronic configuration, there's a way where you just have to look at the electronic configuration, try to remember the symbols to concentrate on and try to visualize that electronic configuration at the level of thought. Then you may notice that the symbols that you are concentrating on... [Lire la suite]
Posté par Eternal-Life à 17:34:00 - Commentaires [0] - Permalien [#]