Question

From the electron distribution of the cesium which is 55 determine the number of valence electrons.

Answer 1

Cesium a chemical element with the symbol Cs and atomic number 55 is a soft, alkali metal of group 1 and 6th period.Ita electronic configuration is [Xe]6s

1

.

Answer 2

Answer:

1. Cesium has 1 valence electron.

Cesium = 55

1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 6s1

(6s1) = 1