Tuesday, August 30, 2011

chemistry adda: Electronic Configurations of elements in periodic ...

chemistry adda: Electronic Configurations of elements in periodic ...: 1 - Hydrogen: 1s1 2 - Helium: 1s2 3 – Lithium: [He], 2s1 4 – Beryllium: [He], 2s2 5 – Boron: [He], 2s2, 2p1 6 – Carbon: [He], 2s2,...

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