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Sr - Strontium - periodic table of the elements

An alkaline earth metal. Discovered in 1790 by Crawford in Scotland, and as a metal by Davy in 1807.


Atomic number - 38 Density g/mL 2 .6
Atomic weight u 87 .62 Melting point K 1041
Bonding radius A 1 .91 Boiling point K 1650
Atomic radius A 2 .45 Heat of vaporization kJ/mol 144
Ionization Potential V 5 .695 Heat of fusion kJ/mol 8 .3
Electronegativity - 0 .95 Specific heat J/gK 0 .3
The oxide is a strong base.
Crystal are face centered cubic.

Electron configuration: [Kr] 5s2

Other elements of the periodic table

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HHe
LiBeBCNOFNe
NaMgAlSiPSClAr
KCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLa * HfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAc ** RfDbSgBhHsMt110111112113
Lanthanides* CePrNdPmSmEuGdTbDyHoErTmYbLu
Actinides ** ThPaUNpPuAmCmBkCfEsFmMdNoLr