Rubidium — Rb

The chemical element Rubidium is an element of type Alkali metal with the symbol Rb. It has an atomic mass of 85.4678 u and an electronic configuration of [Kr] 5s1.
Synthétique Radioactif Liquide Gaz

39°
688°
85.4678
37
1
Rb
2
8
18
8
1
[Kr] 5s1
0.82
4.1771
Electronic configuration diagram
Rubidium
characteristics
Atomic number
37
Atomic mass
85.4678
Symbol
Rb
Melting point
39
Boiling point
688
Density
1.532
Period
5
Group
1
Discovery
1861 Bunsen and Kirchoff
Abundance
90
Radius
3
Electronegativity
0.82
Ionization
4.1771
Isotope
20
Electronic configuration
[Kr] 5s1
Oxidation state
1
Electron
2,8,18,8,1
Rubidium is a metallic chemical element that is found in group 1 (alkaline) of the periodic table. Its chemical symbol is Rb and its atomic number is 37. Its name comes from the Latin word "rubidius" which means "red", due to the bright red color rubidium vapor produces when exposed to air. rubidium is the most reactive chemical element of the alkalis, and it has an external electronic configuration similar to that of potassium and sodium. It is also the most abundant of the alkalines. rubidium metal is very malleable and ductile and is more volatile than potassium and sodium. It is soluble in water and turns into Rb+ ions. This ion is strongly oxidizing and reacts easily with oxygen and humidity in the air. rubidium is used in a variety of industries, including the electronics industry and in atomic clock control systems. It is also used as a catalyst in the polymer industry and in the automotive industry. It is used as a spectrophotometer in chemical analysis and can be used to produce rubidium-87, which is a radioactive isotope used in medicine and research. rubidium is also an important nutrient. It is present in food and is essential for the proper functioning of the heart and nervous system. rubidium is an essential element for the good health of the organism.

Minerals containing Rubidium

first name Hardness Density Chemical formula
Eveslogite — 2.85 (Ca,K,Na,Sr,Ba)48(Ti,Nb,Fe,Mn)12(OH)12Si48O144(OH,F,Cl)14
Faizievite — 2.82 Li6K2Na(Ca6Na)Ti4(Si6O18)2(Si12O30)F2
Londonite — 3.34 CsBe5Al4B11O28
Pautovite — 3.85 CsFe2S3
Pezzottaite — 2.97 CsLiBe2Al2Si6O18
Pollucite — 2.90 Cs(Si2Al)O6·nH2O
Poppiite — 3.36 Ca2(V3+,Fe3+,Mg)V3+2(Si,Al)3(O,OH)14
Ramanite-(Rb) — 0.00 RbB5O6(OH)4·2H2O
Rubicline — 0.00 RbAlSi3O8
Telyushenkoite — 2.73 CsNa6Be2Al3Si15O39F2
Voloshinite — 0.00 Rb(LiAl1.50.5)(Al0.5Si3.5)O10F2

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