Ruthenium (Ru) Properties |
ARuthenium (ARu)
Properties 1/ |
Nuclear (44 protons/electrons)
- Atomic Number: 44
- Atomic Mass: 101.07
- Atomic Energy: 0.151 Ergs
- Group: 8; Period: 5
- Family: Transition
Metals
- Bonding Radius: 1.25 Angstroms
- Atomic Radius: 1.89 Angstroms
- Atomic Volume: 8.3 cm3mol-1
- 33 Isotopes: 87Ru
to 119Ru
- Stable Isotopes: 96Ru,
98Ru, 99Ru,
100Ru, 101Ru,
102Ru, 104Ru
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Nuclear (44 Aprotons/positrons)
- Atomic Number: 44
- Atomic Mass: 101.07
- Atomic Energy: 0.151 Ergs
- Group: 8; Period: 5
- Family: Transition
Metals
- Bonding Radius: 1.25 Angstroms
- Atomic Radius: 1.89 Angstroms
- Atomic Volume: 8.3 cm3mol-1
- 33 AIsotopes: 87ARu
to 119ARu
- Stable AIsotopes: 96ARu,
98ARu, 99ARu,
100ARu, 101ARu,
102ARu, 104ARu
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Physical
- Rare hard brittle silvery metal
- Density: 12.2 g cm-3
- Melting Point: 2,250 oC
- Boiling Point: 3,900 oC
- Specific Heat: 0.238 J g-1 K-1
- Heat of Vaporization: 595 kJ mol-1
- Heat of Fusion: 24 kJ mol-1
- Electrical Conductivity: 0.137 106 cm-1 Ohm-1
- Thermal Conductivity: 1.17 W cm-1 K-1
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Physical
- Rare hard brittle silvery metal
- Density: 12.2 g/cm-3
- Melting Point: 2,250 oC
- Boiling Point: 3,900 oC
- Specific Heat: 0.238 J g-1 K-1
- Heat of Vaporization: 595 kJ mol-1
- Heat of Fusion: 24 kJ mol-1
- Electrical Conductivity: 0.137 106 cm-1 Ohm-1
- Thermal Conductivity: 1.17 W cm-1 K-1
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Chemical
- Valance Number: +3
- Electron Configuration: 2,8,18,15,1
- Electronegativity: 2.2
- 1st Ionization Potential: 7.4 Volts
- 2nd Ionization Potential: 16.8 Volts
- 3rd Ionization Potential: 28.5 Volts
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Chemical
- Valance Number: -3
- Positron Configuration: 2,8,18,15,1
- Positronpositivity: 2.2
- 1st Ionization Potential: 7.4 Volts
- 2nd Ionization Potential: 16.8 Volts
- 3rd Ionization Potential: 28.5 Volts
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Identified
by Karl Klaus
Russia in 1844
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Identified by Norm Hansen in 2001
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