Antimony (Sb) Properties |
AAntimony (ASb)
Properties 1/ |
Nuclear (51 protons/electrons)
- Atomic Number: 51
- Atomic Mass: 121.760
- Atomic Energy: 0.182 Ergs
- Group: 15; Period: 5
- Family: Metalloids
- Bonding Radius: 1.40 Angstroms
- Atomic Radius: 1.53 Angstroms
- Atomic Volume: 18.23 cm3mol-1
- 37
Isotopes: 103Sb to 139Sb
- Stable Isotopes: 121Sb,
123Sb
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Nuclear (51 Aprotons/positrons)
- Atomic Number:51
- Atomic Mass: 121.760
- Atomic Energy: 0.182 Ergs
- Group: 15; Period: 5
- Family: Metalloids
- Bonding Radius: 1.40 Angstroms
- Atomic Radius: 1.53 Angstroms
- Atomic Volume: 18.23 cm3mol-1
- 37 AIsotopes: 103ASb
to 139ASb
- Stable AIsotopes: 121ASb,
123ASb
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Physical
- Hard brittle bluish-white metal
- Density: 6.68 g cm-3
- Melting Point: 630 oC
- Boiling Point: 1,750 oC
- Specific Heat: 0.21 J g-1 K-1
- Heat of Vaporization: 77.1 kJ mol-1
- Heat of Fusion: 19.87 kJ mol-1
- Electrical Conductivity: 0.0288 106 cm-1 Ohm-1
- Thermal Conductivity: 0.243 W cm-1 K-1
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Physical
- Hard brittle bluish-white metal
- Density: 6.68 g/cm-3
- Melting Point: 630 oC
- Boiling Point: 1,750 oC
- Specific Heat: 0.21 J g-1 K-1
- Heat of Vaporization: 77.1 kJ mol-1
- Heat of Fusion: 19.87 kJ mol-1
- Electrical Conductivity: 0.0288 106 cm-1 Ohm-1
- Thermal Conductivity: 0.243 W cm-1 K-1
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Chemical
- Valance Number: -3,+3,+5,
- Electron Configuration: 2,8,18,18,5
- Electronegativity: 2.05I
- 1st Ionization Potential: 8.6 Volts
- 2nd Ionization Potential: 16.5 Volts
- 3rd Ionization Potential: 25.3 Volts
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Chemical
- Valance Number: -5, -3,+3
- Positron Configuration: 2,8,18,18,5
- Positronpositivity: 2.05
- 1st Ionization Potential: 8.6 Volts
- 2nd Ionization Potential: 16.5 Volts
- 3rd Ionization Potential: 25.3 Volts
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Identified by ancients in unknown year
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Identified by Norm Hansen in 2001
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