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mineralogy elements Cs cesium

Cs - cesium - ALKALI METAL

28.4°
690°
132.90545196
1
55
Cs
[Xe] 6s1
2
8
18
18
8
1
0.79
3.8939
Synthetic
Radioactive
Liquid
Gaseous
cesium Electronic configuration diagram
Electronic configuration diagram

Name cesium
Number 55
Atomic 132.90545196
Symbol Cs
Fusion 28.4
Boiling 690
Density 1.873
Period 6
Group 1
Discovery 1860 Bunsen and Kirchoff
Abundance 3
Radius 3.3
Electronegativity 0.79
Ionization 3.8939
Number of isotopes 22
Electronic configuration [Xe] 6s1
Oxidation states 1
Electron by energy level 2,8,18,18,8,1

Mineral Hardness Density Formula
Avogadrite 2.62 KBF4
Caesiumpharmacosiderite CsFe4[(AsO4)3(OH)4]·4H2O
Cesiodymite CsKCu5O(SO4)5
Cesplumtantite 7.00 / 7.00 6.00 Cs2Pb3Ta8O24
Dachiardite-Ca 4.00 / 4.50 2.14 Ca2(Si20Al4)O48·13H2O
Gainesite 4.00 / 4.00 2.94 Na2(Be,Li)Zr2(PO4)4·1.5H2O
Galkhaite 3.00 / 3.00 5.40 (Hg5Cu)CsAs4S12
Kirchhoffite 6.00 / 6.50 3.64 CsBSi2O6
Kupletskite-(Cs) 4.00 / 4.00 3.68 Cs2NaMn2+7Ti2(Si4O12)2O2(OH)4F
Londonite 8.00 / 8.00 3.34 CsBe5Al4B11O28
Margaritasite 2.00 / 2.00 5.40 Cs2(UO2)2(VO4)2·H2O
Mccrillisite 4.50 / 4.50 3.12 NaCs(Be,Li)Zr2(PO4)4·1-2H2O
Mendeleevite-(Ce) (Cs)6(Cs)6(K)6(Ce,Ca)30(Si70O175)(H2O,OH,F)35
Mendeleevite-(Nd) 5.00 / 5.50 3.16 Cs6[(Nd,REE)23Ca7](Si70O175)(OH,F)19(H2O)16
Nalivkinite 3.29 Li2NaFe2+7Ti2(Si4O12)2O2(OH)4F
Nanpingite 2.50 / 3.00 3.11 CsAl2(Si3Al)O10(OH)2
Natrobistantite 6.10 NaBi(Ta,Nb,Sb)4(O,OH)12
Odigitriaite 5.00 / 5.00 2.83 CsNa5Ca5[Si14B2O38]F2
Pautovite 2.50 / 2.50 3.85 CsFe2S3
Pezzottaite 8.00 / 8.00 2.97 CsLiBe2Al2Si6O18
Pollucite 6.50 / 6.50 2.90 Cs(Si2Al)O6·nH2O
Potassicmendeleevite-(Ce) Cs6K6(Ce22Ca6)(Si70O175)(OH,F)20·15H2O
Ramanite-(Cs) CsB5O6(OH)4·2H2O
Rhodizite 8.50 / 8.50 3.44 KBe4Al4(B11Be)O28
Senkevichite 5.50 / 6.00 3.13 CsKNaCa2TiOSi7O18(OH)
Sokolovaite CsLi2AlSi4O10F2
Telyushenkoite 6.00 / 6.00 2.73 CsNa6Be2Al3Si15O39F2
Zeravshanite 6.00 / 6.00 3.09 Na2Cs4Zr3Si18O45·2H2O