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Some characteristics of plutonium are: - isotopes Pu-239 and Pu-241 are fissile
- is a metal
- is radioactive
- is an artificial element
- is toxic
- is paramagnetic
- melting point: 639,4 0C
- boiling point: 3 228 0C
- heat of fusion: 2,82 kJ/mol
- Pauling electronegativity: 1,28
- possible valences: 2 to 7 (an exceptional situation)
- electron configuration: [Rn]5f67s2
- empirical atomic radius: 159 pm
- crystalline structure: monoclinic
- thermal conductivity: 6,74 W/m.K
- electrical resistivity: 1,46 microohm.m
- density: 19,816 g/cm3 - Vickers hardness: 255 - Brinell hardness: 242 - Mohs hardness: cca. 3,7

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