Plutonium (Pu) Properties |
APlutonium (APu)
Properties 1/ |
Nuclear (94 protons/electrons)
- Atomic Number: 94
- Atomic Mass: 244
- Atomic Energy: 0.364 Ergs
- Group: 3; Period: 7
- Family: Rare Earth:
Actinide Series
- Bonding Radius: Angstroms
- Atomic Radius: Angstroms
- Atomic Volume: 12.32 cm3mol-1
- 22
Isotopes: 228Pu to 249Pu
- Stable Isotopes: None
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Nuclear (94 Aprotons/positrons)
- Atomic Number: 94
- Atomic Mass: 244
- Atomic Energy: 0.364 Ergs
- Group: 3; Period: 7
- Family: Rare Earth:
Actinide Series
- Bonding Radius: Angstroms
- Atomic Radius: Angstroms
- Atomic Volume: 12.32 cm3mol-1
- 22 Isotopes: 228APu
to 249APu
- Stable AIsotopes: None
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Physical
- Man-made radioactive metal
- Density: 19.8 g cm-3
- Melting Point: 639 oC
- Boiling Point: 3,235 oC
- Specific Heat: 0.13 J g-1 K-1
- Heat of Vaporization: 344 kJ mol-1
- Heat of Fusion: 2.84 kJ mol-1
- Electrical Conductivity: 0.00666 106 cm-1 Ohm-1
- Thermal Conductivity: 0.0674 W cm-1 K-1
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Physical
- Man-made radioactive metal
- Density: 19.8 g/cm-3
- Melting Point: 639 oC
- Boiling Point: 3,235 oC
- Specific Heat: 0.13 J g-1 K-1
- Heat of Vaporization: 344 kJ mol-1
- Heat of Fusion: 2.84 kJ mol-1
- Electrical Conductivity: 0.00666 106 cm-1 Ohm-1
- Thermal Conductivity: 0.0674 W cm-1 K-1
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Chemical
- Valance Number: +3,+4,+5,+6,
- Electron Configuration: 2,8,18,32,24,8,2
- Electronegativity: 1.28
- 1st Ionization Potential: 6.1 Volts
- 2nd Ionization Potential: ? Volts
- 3rd Ionization Potential: ? Volts
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Chemical
- Valance Number: -3,-4,-5,-6
- Positron Configuration: 2,8,18,32,24,8,2
- Positronpositivity: 1.28
- 1st Ionization Potential: 6.1 Volts
- 2nd Ionization Potential: ? Volts
- 3rd Ionization Potential: ? Volts
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Identified by G. T.
Seaborg, J. W. Kennedy,
E. M. McMillan, and A. C. Wohl
United States in 1940
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Identified by Norm Hansen in 2001
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