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Ac - Actinium - periodic table of the elements

Discovered by Debierne, 1899.
Atomic number - 89 Density g/mL 10 .07
Atomic weight u 227 .0278 Melting point K 1323
Bonding radius A - Boiling point K 3473
Atomic radius A - Heat of vaporization kJ/mol -
Ionization Potential V 5 .17 Heat of fusion kJ/mol -
Electronegativity - 1 .1 Specific heat J/gK -
The oxide is neutral.
Crystal are face centered cubic.

Electron configuration: [Rn] 6d1 7s2

Other elements of the periodic table

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