Scandium (Sc) Properties |
AScandium (ASc))
Properties 1/ |
Nuclear (21 protons/electrons)
- Atomic Number: 21
- Atomic Mass: 44.956
- Atomic Energy: 0.0671 Ergs
- Group: 3; Period: 4
- Family: Transition
Metals
- Bonding Radius: 1.44 Angstroms
- Atomic Radius: 2.09 Angstroms
- Atomic Volume: 15.0 cm3mol-1
- 24 Isotopes: 36Sc
to 59Sc
- Stable Isotopes: 45Sc
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Nuclear (21 Aprotons/positrons)
- Atomic Number: 21
- Atomic Mass: 44.956
- Atomic Energy: 0.0671 Ergs
- Group: 3; Period: 4
- Family: Transition
Metals
- Bonding Radius: 1.44 Angstroms
- Atomic Radius: 2.09 Angstroms
- Atomic Volume: 15.0 cm3mol-1
- 24 AIsotopes: 36ASc
to 59ASc
- Stable A Isotopes: 45ASc
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Physical
- Soft silvery white metal
- Density: 2.989 g cm-3
- Melting Point: 1,539 oC
- Boiling Point: 2,832 oC
- Specific Heat: 0.6 J g-1 K-1
- Heat of Vaporization: 314 kJ mol-1
- Heat of Fusion: 14.1 kJ mol-1
- Electrical Conductivity: 0.0177 106 cm-1 Ohm-1
- Thermal Conductivity: 0.158 W cm-1 K-1
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Physical
- Soft silvery white metal
- Density: 3.00 g/cm-3
- Melting Point: 1,539 oC
- Boiling Point: 2,832 oC
- Specific Heat: 0.6 J g-1 K-1
- Heat of Vaporization: 314 kJ mol-1
- Heat of Fusion: 14.1 kJ mol-1
- Electrical Conductivity: 0.0177 106 cm-1 Ohm-1
- Thermal Conductivity: 0.158 W cm-1 K-1
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Chemical
- Valance Number: +3
- Electron Configuration: 2,8,9,2
- Electronegativity: 1.36
- 1st Ionization Potential: 6.5 Volts
- 2nd Ionization Potential: 12.8 Volts
- 3rd Ionization Potential: 24.8 Volts
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Chemical
- Valance Number: -3
- Positron Configuration: 2,8,9,2
- Positronpositivity: 1.36
- 1st Ionization Potential: 6.5 Volts
- 2nd Ionization Potential: 12.8 Volts
- 3rd Ionization Potential: 24.8 Volts
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Identified by Lars
Nilson
Sweden in 1879
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Identified by Norm Hansen in 2001
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