MeSH definition : An element that is an alkali metal. It has an atomic symbol Rb, atomic number 37,
and atomic weight 85.47. It is used as a chemical reagent and in the manufacture of
photoelectric cells.;
An element that is an alkali metal. It has an atomic symbol Rb, atomic number 37,
and atomic weight 85.47. It is used as a chemical reagent and in the manufacture of
photoelectric cells.