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Rubidium

Rubidium in a glass tube

Rubidium is chemical element 37 on the periodic table. Its symbol is Rb. Its atomic mass is 85.47. It has 37 protons and 37 electrons. It is a soft silver colored metal. It was first discovered in 1861 by Robert Bunsen and Gustav Kirchoff in Heidelberg, Germany.[1]

  1. ↑ Cite error: The named reference rsc was used but no text was provided for refs named (see the help page).

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Rubidium AF ሩቢዲየም AM Rubidio AN रुबिडियम ANP روبيديوم Arabic روبيديوم ARY روبيديوم ARZ Rubidiu AST Rubidium AZ Рубидий BA

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