Radon (Rn) Properties |
ARadon (ARn)
Properties |
Nuclear (86 protons/electrons)
- Atomic Number: 86
- Atomic Mass: 222
- Atomic Energy: 0.331 Ergs
- Group: 18 ; Period: 6
- Family: Noble Gases
- Bonding Radius: ? Angstroms
- Atomic Radius: 1.34 Angstroms
- Atomic Volume: 50.5 cm3mol-1
- 33
Isotopes: 196Rn
to 228Rn
- Stable Isotopes:
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Nuclear (86 Aprotons/positrons)
- Atomic Number: 86
- Atomic Mass: 222
- Atomic Energy: 0.331 Ergs
- Group: 18 ; Period: 6
- Family: Noble Gases
- Bonding Radius: ? Angstroms
- Atomic Radius: 1.34 Angstroms
- Atomic Volume: 50.5 cm3mol-1
- 33 AIsotopes: 196ARn
to 228ARn
- Stable AIsotopes: None
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Physical
- Silver white metal. Intensely radioactive
- Density: 0.00973g cm-3
- Melting Point: -71 oC
- Boiling Point: -61.8 oC
- Specific Heat: 0.09 J g-1 K-1
- Heat of Vaporization:16.40 kJ mol-1
- Heat of Fusion: 2.89 kJ mol-1
- Electrical Conductivity: ? 106 cm-1 Ohm-1
- Thermal Conductivity: 0.0000364 W cm-1 K-1
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Physical
- Silver white metal. Intensely radioactive
- Density: 0.00973 g/cm-3
- Melting Point: -71 oC
- Boiling Point: -61.8 oC
- Specific Heat: 0.09 J g-1 K-1
- Heat of Vaporization: 16.40 kJ mol-1
- Heat of Fusion: 2.89 kJ mol-1
- Electrical Conductivity:? 106 cm-1 Ohm-1
- Thermal Conductivity: 0.0000364 W cm-1 K-1
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Chemical
- Valance Number: Zero
- Electron Configuration: 2,8,18,32,18,8
- Electronegativity: Zero
- 1st Ionization Potential: 10.7 Volts
- 2nd Ionization Potential: ? Volts
- 3rd Ionization Potential: ? Volts
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Chemical
- Valance Number: Zero
- Positron Configuration: 2,8,18,32,18,8
- Positronpositivity: Zero
- 1st Ionization Potential: 10.7 Volts
- 2nd Ionization Potential: ? Volts
- 3rd Ionization Potential: ? Volts
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Identified by Pierre and Marie Curie,
France, in 1898.
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Identified by Norm Hansen in 2001
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