| rubidium |
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
출처: wordnet.princeton.edu/perl/webwn
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| rubidium |
CAS Number: 7440-17-7. A soft, silvery-white, highly reactive metal. It is used as a catalyst; and in photocells and vacuum- and cathode-ray tubes. Chemical formula = Rb. Molecular weight = 85.4678 g/mol.
출처: www.pca.state.mn.us/gloss/glossary.cfm
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