curium

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Symbol:

Cm

Atomic Number:

96

Relative Atomic Mass:

247.0703 g mol^-1

Electron Configuration:

[Rn]5f⁷6d7s²

Oxidation States:

IV, III

Ionic Radius:

85pm (for +4 oxidation state)

97pm (for +3 oxidation state)

Melting Point:

1340°C

Density:

13.51 g cm^-3 (at 20°C)

Reduction Potential:

-2.06V

for Cm³⁺ +3e^- a Cm_(s)

Electronegativity (Allred and Rochow):

1.2

Number of Natural Isotopes:

0