Neodymium (Nd) Properties |
ANeodymium (ANd)
Properties 1/ |
Nuclear (60 protons/electrons)
- Atomic Number: 60
- Atomic Mass: 144.24
- Atomic Energy: 0.215 Ergs
- Group: 3; Period: 6
- Family: Rare Earth:
Lanthanide Series
- Bonding Radius: 1.64 Angstroms
- Atomic Radius: 2.64 Angstroms
- Atomic Volume: 20.6 cm3mol-1
- 36
Isotopes: 126Nd to 161Nd
- Stable Isotopes: 142Nd,
143Nd, 144Nd,145Nd,
146Nd, 148Nd, 150Nd
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Nuclear (60 Aprotons/positrons)
- Atomic Number: 60
- Atomic Mass: 144.24
- Atomic Energy: 0.215 Ergs
- Group: 3; Period: 6
- Family: Rare Earth:
Lanthanide Series
- Bonding Radius: 1.64 Angstroms
- Atomic Radius: 2.64 Angstroms
- Atomic Volume: 20.6 cm3mol-1
- 36 AIsotopes: 126ANd
to 161ANd
- Stable AIsotopes: 142ANd,
143ANd, 144ANd,145ANd,
146ANd, 148ANd, 150ANd
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Physical
- Hard silvery-white metal
- Density: 7.0 g cm-3
- Melting Point: 1,010 oC
- Boiling Point: 3,127 oC
- Specific Heat: 0.19 J g-1 K-1
- Heat of Vaporization: 273 kJ mol-1
- Heat of Fusion: 7.14 kJ mol-1
- Electrical Conductivity: 0.0157 106 cm-1 Ohm-1
- Thermal Conductivity: 0.165 W cm-1 K-1
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Physical
- Hard silvery-white metal
- Density: 7.00 g/cm-3
- Melting Point: 1,010 oC
- Boiling Point: 3,127 oC
- Specific Heat: 0.19 J g-1 K-1
- Heat of Vaporization: 273 kJ mol-1
- Heat of Fusion: 7.14 kJ mol-1
- Electrical Conductivity: 0.0157 106 cm-1 Ohm-1
- Thermal Conductivity: 0.165 W cm-1 K-1
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Chemical
- Valance Number: +3
- Electron Configuration: 2,8,18,22,8,2
- Electronegativity: 1.14
- Ionization Energy: kcal mol-1
- 1st Ionization Potential: 5.5 Volts
- 2nd Ionization Potential: 10.7 Volts
- 3rd Ionization Potential: 22.1 Volts
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Chemical
- Valance Number: -3
- Positron Configuration: 2,8,18,22,8,2
- Positronpositivity: 1.14
- Ionization Energy: kcal mol-1
- 1st Ionization Potential: 5.5 Volts
- 2nd Ionization Potential: 10.7 Volts
- 3rd Ionization Potential: 22.1 Volts
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Identified by Carl Wilhelm Scheele
Sweden in 1778.
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Identified by Norm Hansen in 2001
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