Rhodium (Rh) Properties |
ARhodium (ARh)
Properties 1/ |
Nuclear (45 protons/electrons)
- Atomic Number: 45
- Atomic Mass: 102.906
- Atomic Energy: 0.154 Ergs
- Group: 8; Period: 5
- Family: Transition
Metals
- Bonding Radius: 1.25 Angstroms
- Atomic Radius: 1.83 Angstroms
- Atomic Volume: 8.3 cm3mol-1
- 34 Isotopes:
89Rh
to 122Rh
- Stable Isotope: 103Rh
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Nuclear (45 Aprotons/positrons)
- Atomic Number: 45
- Atomic Mass: 102.906
- Atomic Energy: 0.154 Ergs
- Group: 8; Period: 5
- Family: Transition
Metals
- Bonding Radius: 1.25 Angstroms
- Atomic Radius: 1.83 Angstroms
- Atomic Volume: 8.3 cm3mol-1
- 34 AIsotopes: 89ARh to
122ARh
- Stable AIsotope:
103ARh
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Physical
- Hard silver white metal
- Density: 12.4 g cm-3
- Melting Point: 1,966 oC
- Boiling Point: 3,727 oC
- Specific Heat: 0.242 J g-1 K-1
- Heat of Vaporization: 493 kJ mol-1
- Heat of Fusion: 21.5 kJ mol-1
- Electrical Conductivity: 0.211 106 cm-1 Ohm-1
- Thermal Conductivity: 1.50 W cm-1 K-1
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Physical
- Hard silver white metal
- Density: 12.4 g/cm-3
- Melting Point: 1,966 oC
- Boiling Point: 3,727 oC
- Specific Heat: 0.242 J g-1 K-1
- Heat of Vaporization: 493 kJ mol-1
- Heat of Fusion: 21.5 kJ mol-1
- Electrical Conductivity: 0.211 106 cm-1 Ohm-1
- Thermal Conductivity: 1.50 W cm-1 K-1
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Chemical
- Valance Number: +3
- Electron Configuration: 2,8,18,16,1
- Electronegativity: 2.28
- 1st Ionization Potential: 7.5 Volts
- 2nd Ionization Potential: 18.1 Volts
- 3rd Ionization Potential: 31.1 Volts
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Chemical
- Valance Number: -3
- Positron Configuration: 2,8,18,16,1
- Positronpositivity: 2.28
- 1st Ionization Potential: 7.5 Volts
- 2nd Ionization Potential: 18.1 Volts
- 3rd Ionization Potential: 31.1 Volts
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Identified
by William Wollaston
England in 1803
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Identified by Norm Hansen in 2001
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