Cesium is used in precise atomic clocks partly because of atomic transitions but for grouping alone where does cesium sit on a standard chart?
Q1. Cesium is used in precise atomic clocks partly because of atomic transitions but for grouping alone where does cesium sit on a standard chart?
Answer: Group 1 Period 6
Explanation: Caesium (Cs) has one valence electron and belongs to the alkali metals; it sits in Group 1 and, having six electron shells, it occupies Period 6 of the standard periodic table.