What is the formula for rubidium chloride?

1 Answer
Aug 7, 2017

The formula for rubidium chloride is #"RbCl"#.

Explanation:

Rubidium #"Rb"# is an alkali metal. It wants to lose one electron to become stable. Chlorine #"Cl"# is a halogen. It wants to gain and electron to become stable. So if we add the two together we get:
#"Rb"^+ + "Cl"^- -> "RbCl"#.