Question

how does rb bond with other elements? (1 point)
rb gains two electrons.
rb loses an electron
rb loses two electrons
rb gains an electron.

Explanation:

Rubidium (Rb) is an alkali metal in group 1 of the periodic table. Alkali metals have one valence electron. To achieve a stable electron configuration (similar to the noble gases), they tend to lose this one valence electron.

Answer:

Rb loses an electron.