Question

Based upon the valence electrons taken from the periodic table,the formula for rubidium (Rb) chlorine (CL) is:

Answer 1

RbCl

Step-by-step explanation:

Rb is in Group 1. It can lose one electron to get a complete shell.

Cl is in Group 17. It can get a complete shell by gaining one election.

Thus, one Rb atom can react with one Cl atom.

The formula of rubidium chloride is RbCl.