What is the name of the ionic compound rbcl?

a. rubidium chloride
b. chlorine rubidium
c. rubidium chlorine
d. chlorine rubidide

Answer is: A. rubidium chloride.

Rubidium chloride is the chemical compound composed of rubidium and chlorine.

This salt has ionic bonds between alkali metal rubidium (Rb) and nonmetal chlorine (Cl).

Rubidium in this chemical compound has positive charge, rubidium form cation Rb⁺, and chlorine has negative charge, chlorine form anion Cl⁻.

Rubidium electron configuration:

₃₇Rb 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶5s¹.

Rubidium cation electron configuration:

₃₇Rb⁺ 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁶; one valence electron in 5s¹ orbital is lost.

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