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einsteinium
Atomic number:
99
Atomic weight:
252
Symbol:
Es
Group number:
(actinide)
Electronic configuration:
[Rn].5f11.7s2
Physical data
Standard state:
solid at 298 K
Colour:
1st 619
Density of solid at ambient temperature/kg m-3:
no data
Molar volume/cm3:
no data
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