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Rb
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
synonym
atomic number 37
rubidium
holo substance
carnallite
lepidolite
pollucite
hypernym
metal
metallic element
Rb vs atomic number 37
Rb vs metal
Rb vs metallic element
Rb vs rubidium
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