Periodic table of the elements
CaliforniumEinsteiniumFermium
99
Es
Einsteinium
(252)
2
8
18
32
29
8
2
99
Es
Einsteinium
(252)
2
8
18
32
29
8
2
General
NameEinsteinium
SymbolEs
Number99
Chemical seriesActinides
Group / Period0 / 7
Blockf-block
CAS registry number7429-92-7

Einsteinium is a radioactive element

Physical properties
Statesolid
Density8.84 g/cm3
Melting point1133 K (860 °C, 1580 °F)
Boiling point
Critical point

Atomic properties
Atomic Weight(252) g/mol
Crystal structure
Electronegativity1.30
Atomic radius
Atomic radius (calculated)
Electron configuration[Rn] 5f11 7s2
Electrons per shell2, 8, 18, 32, 29, 8, 2
Number of protons99
Number of neutrons153

Other languages
SpanishEinstenio
PortugueseEinstêinio
FrenchEinsteinium
GermanEinsteinium
ItalianEinsteinio
RussianЭйнштейний
PolishEinstein
Chinese
Arabicأينشتاينيوم
TurkishAynştaynyum
DutchEinsteinium


Periodic table of the elements
CaliforniumEinsteiniumFermium