A New Latin word derived by German chemist Robert Bunsen in 1861, from Latin rubidus (“red”), because its spectrum has two red lines.
Chemical element | |
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Rb | |
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rubīdijs m (1st declension)
singular (vienskaitlis) | plural (daudzskaitlis) | |
---|---|---|
nominative (nominatīvs) | rubīdijs | — |
accusative (akuzatīvs) | rubīdiju | — |
genitive (ģenitīvs) | rubīdija | — |
dative (datīvs) | rubīdijam | — |
instrumental (instrumentālis) | rubīdiju | — |
locative (lokatīvs) | rubīdijā | — |
vocative (vokatīvs) | rubīdij | — |