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| 1. |
What is the similarity in the electronic configuration of Hydrogen , Lithium and Potassium ? |
| Answer» ER most ELECTRONS of these elements are enters into 's' orbital only and these elements have only one electron in their outermost orbital.Hydrogen: 1s1Lithium: 1S2 2s1Potassium: 1s2 2S2 2p6 3s2 3p6 4S1 | |