Definition of rubidium in English:
The chemical element of atomic number 37, a rare soft silvery reactive metal of the alkali metal group. (Symbol: Rb)
- Those that produce a measurable spectrum when subjected to flame include, but are not limited to, lithium, sodium, potassium, rubidium, cesium, magnesium, calcium, strontium, barium, zinc, and cadmium.
- These elements - lithium, sodium, potassium, rubidium, cesium and francium - all react with water to give solutions that change the color of a vegetable dye from red to blue.
- Elements such as rubidium, zirconium, and aluminum are mostly incorporated into human biochemistry as a consequence of their association with essential elements present in the human diet.
Definition of rubidium in:
- British & World English dictionary
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