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mineralogy elements Rb Rubidium

Rb - Rubidium - ALKALI METAL

39°
688°
85.4678
1
37
Rb
[Kr] 5s1
2
8
18
8
1
0.82
4.1771
Synthetic
Radioactive
Liquid
Gaseous
Rubidium Electronic configuration diagram
Electronic configuration diagram

Name Rubidium
Number 37
Atomic 85.4678
Symbol Rb
Fusion 39
Boiling 688
Density 1.532
Period 5
Group 1
Discovery 1861 Bunsen and Kirchoff
Abundance 90
Radius 3
Electronegativity 0.82
Ionization 4.1771
Number of isotopes 20
Electronic configuration [Kr] 5s1
Oxidation states 1
Electron by energy level 2,8,18,8,1

Mineral Hardness Density Formula
5.00 / 5.00 2.85 (Ca,K,Na,Sr,Ba)48(Ti,Nb,Fe,Mn)12(OH)12Si48O144(OH,F,Cl)14
4.00 / 4.50 2.82 Li6K2Na(Ca6Na)Ti4(Si6O18)2(Si12O30)F2
8.00 / 8.00 3.34 CsBe5Al4B11O28
2.50 / 2.50 3.85 CsFe2S3
8.00 / 8.00 2.97 CsLiBe2Al2Si6O18
6.50 / 6.50 2.90 Cs(Si2Al)O6·nH2O
3.36 Ca2(V3+,Fe3+,Mg)V3+2(Si,Al)3(O,OH)14
RbB5O6(OH)4·2H2O
RbAlSi3O8
6.00 / 6.00 2.73 CsNa6Be2Al3Si15O39F2
Rb(LiAl1.50.5)(Al0.5Si3.5)O10F2