rubidium

krypton$\longleftarrow$ 37 $\longrightarrow$strontium

Pronunciation

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

• Audio (UK)

  (file)

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.