Krypton (Kr) Properties |
AKrypton (AKr)
Properties 1/ |
Nuclear (36 protons/electrons)
- Atomic Number: 36
- Atomic Mass: 83.80
- Atomic Energy: 0.125 Ergs
- Group: 18 ; Period: 4
- Family: Noble Gases
- Bonding Radius: 1.12 Angstroms
- Atomic Radius: 1.03 Angstroms
- Atomic Volume: 38.9 cm3mol-1
- 32
Isotopes: 69Kr to 100Kr
- Stable Isotopes: 78Kr,
80Kr, 82Kr,
83Kr, 84Kr,
86Kr
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Nuclear (36 Aprotons/positrons)
- Atomic Number: 36
- Atomic Mass: 83.80
- Atomic Energy: 0.125 Ergs
- Group: 18 ; Period: 4
- Family: Noble Gases
- Bonding Radius: 1.12 Angstroms
- Atomic Radius: 1.03 Angstroms
- Atomic Volume: 38.9 cm3mol-1
- 32 AIsotopes: 69AKr
to 100AKr
- Stable AIsotopes: 78AKr,
80AKr, 82AKr,
83AKr, 84AKr,
86AKr
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Physical
- Colorless, odorless, tasteless gas
- Density: 0.003708 g cm-3
- Melting Point: -157 oC
- Boiling Point: -153 oC
- Specific Heat: 0.248 J g-1 K-1
- Heat of Vaporization: 9.029 kJ mol-1
- Heat of Fusion: 1.638 kJ mol-1
- Electrical Conductivity: ? 106 cm-1 Ohm-1
- Thermal Conductivity: 0.0000949 W cm-1 K-1
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Physical
- Colorless, odorless, tasteless gas
- Density: 0.00371 g/cm-3
- Melting Point: -157 oC
- Boiling Point: -153 oC
- Specific Heat: 0.248 J g-1 K-1
- Heat of Vaporization: 9.029 kJ mol-1
- Heat of Fusion: 1.638 kJ mol-1
- Electrical Conductivity: ? 106 cm-1 Ohm-1
- Thermal Conductivity: 0.0000949 W cm-1 K-1
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Chemical
- Valance Number: Zero
- Electron Configuration: 2,8,18,8
- Electronegativity: Zero
- 1st Ionization Potential: 14.0 Volts
- 2nd Ionization Potential: 24.4 Volts
- 3rd Ionization Potential: 37.0 Volts
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Chemical
- Valance Number: Zero
- Positron Configuration: 2,8,18,8
- Positronpositivity: Zero
- 1st Ionization Potential: 14.0 Volts
- 2nd Ionization Potential: 24.4 Volts
- 3rd Ionization Potential: 37.0
Volts
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Identified by Sir William
Ramsey
and M. W. Travers
Great Britain in 1898
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Identified by Norm Hansen in 2001
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