Question

Cesium (Cs) has one valence electron, and that electron is located in the sixth subshell. Without using the periodic table, in which group and period is cesium located? Group 7A, Period 7 Group 8A, Period 6 Group 1A, Period 6 Group 2A, Period 7

Answer 1

Answer: Group 1A, Period 6

Im 100% sure of my answer, hope this helped you <3

Answer 2

Answer:

Period 6 Group 1A

Explanation:

All the elements are arranged in the periodic table , according to their atomic number ,

The element given in the question is Cesium ( Cs ) ,  the number of valence electrons , i.e. , the number of electrons in the last shell of the atom , is equal to 1 .

hence , it corresponds to the group 1A , and the period 6 .