Yes.
Rubidium is an alkali metal.
Rubidium is an alkali metal.
Rubidium is an alkali metal (group 1, period 5)
Yes.
Yes. Rubidium is an alkali metal, and all alkali metals have one valence electron.
No, rubidium is not considered a transition metal. It is not located in the periodic table where the other transition metals are, which is mainly the d-block.
Rubidium (Rb) is an alkali metal.
Rubidium has one valence electron as it an alkali metal.
Alkali metals: lithium, sodium, potassium, caesium, rubidium, francium.
I don't understand what you mean by "class" but its a alkali-metal.
Yes, the alkali metals are Lithium, Sodium, Potassium, Rubidium, Caesium and Francium.
It is a metallic element in the alkali family