Meaning | 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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Synonyms | rubidium, atomic number 37 |
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Broader | metallic element, metal | Any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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Substance of | carnallite | A white or reddish mineral consisting of hydrous chlorides / chlorides of potassium and magnesium |
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lepidolite | A mineral of the mica group |
pollucite | A rare mineral that is an important source of cesium |
Spanish | número atómico 37, Rb, rubidio |
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Catalan | número atòmic 37, Rb, rubidi |
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