1.

Write the electronic configuration of alkali metals 2Li, 11Na, 19K, 37Rb, 55Cs and 87Fr.

Answer»
Alkali metals Atomic numberCompleate electronic configuration
Li32,1
Na112.8,1
K192,8,8,1
Rb372,8,18,8,1
Cs552,8,18,18,8,1
Fr872,8,18,32,18,8,1


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