Curium (Cm) in the periodic table — PeriodicTable

Curium (Cm) in the periodic tableCurium is element 96, an actinoid of the f block, in period 7. Its ground-state configuration is [Rn] 5f7 6d1 7s2, and it usually shows the oxidation states 0, 2, 3, 4.It was discovered in 1944, by Seaborg.Name origin: Pierre Curie, a physicist, and Marie Curie, a physicist and chemist. Blank rows are columns the sheet does not measure for this element.

Property

Value

Unit

Atomic weight

247

Da

Electronegativity

1.28

First ionisation energy

581

kJ/mol

Melting point

1613

K

Boiling point

3383

K

Density

13.51

g/cm³

Abundance

0

mg/kg

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