A soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
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Noun
a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
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Usage Examples
Misspelled Form
Rb, Rb, b, Rb, Rvb, Rgb, Rhb, Rnb, R b, Rv, Rg, Rh, Rn, R , Rbv, Rbg, Rbh, Rbn, Rb .