rubidium

krypton${\displaystyle \longleftarrow }$ 37 ${\displaystyle \longrightarrow }$strontium

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Rubidium

Pronunciation

• (UK) IPA ^(key): /ˌrʊuˈbɪd.iː.ʌm/ SAMPA: /%ru:"bId.i:.Vm/

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Noun

Singular rubidium

Plural none

1. (uncountable) Rubidium is a chemical element (symbol Rb) with an atomic number of 37. It is a soft silver-coloured metal.