einsteinium

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Symbol:

Es

Atomic Number:

99

Relative Atomic Mass:

252.0829 g mol^-1

Electron Configuration:

[Rn]5f¹¹7s²

Oxidation States:

III

Reduction Potential:

-1.98V

for Es³⁺ + 3e^- a Es_(s)

Electronegativity (Allred and Rochow):

1.2

Number of Natural Isotopes:

0