Yttrium (Y) Properties |
AYttrium (AY)
Properties 1/ |
Nuclear (39 protons/electrons)
- Atomic Number: 39
- Atomic Mass: 88.906
- Atomic Energy: 0.133 Ergs
- Group: 3; Period: 5
- Family: Transition
Metals
- Bonding Radius: 1.62 Angstroms
- Atomic Radius: 2.27 Angstroms
- Atomic Volume: 19.8 cm3mol-1
- 30 Isotopes: 77Y
to 106Y
- Stable Isotopes: 89Y
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Nuclear (39 Aprotons/positrons)
- Atomic Number: 39
- Atomic Mass: 88.906
- Atomic Energy: 0.133 Ergs
- Group: 3; Period: 5
- Family: Transition
Metals
- Bonding Radius: 1.62 Angstroms
- Atomic Radius: 2.27 Angstroms
- Atomic Volume: 19.8 cm3mol-1
- 30 AIsotopes: 77AY
to 106Y
- Stable AIsotopes: 89AY
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Physical
- Silvery metal
- Density: 4.47 g cm-3
- Melting Point: 1,523 oC
- Boiling Point: 3,337 oC
- Specific Heat: 0.30 J g-1 K-1
- Heat of Vaporization: 363 kJ mol-1
- Heat of Fusion: 11.4 kJ mol-1
- Electrical Conductivity: 0.0166 106 cm-1 Ohm-1
- Thermal Conductivity: 0.172 W cm-1 K-1
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Physical
- Silvery metal
- Density: 4.47 g/cm-3
- Melting Point: 1,523 oC
- Boiling Point: 3,337 oC
- Specific Heat: 0.30 J g-1 K-1
- Heat of Vaporization: 363 kJ mol-1
- Heat of Fusion: 11.4 kJ mol-1
- Electrical Conductivity: 0.0166 106 cm-1 Ohm-1
- Thermal Conductivity: 0.172 W cm-1 K-1
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Chemical
- Valance Number: +3
- Electron Configuration: 2,8,18,9,2
- Electronegativity: 1.22
- 1st Ionization Potential: 6.4 Volts
- 2nd Ionization Potential: 12.2 Volts
- 3rd Ionization Potential: 20.5 Volts
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Chemical
- Valance Number: -3
- Positron Configuration: 2,8,18,9,2
- Positronpositivity: 1.22
- 1st Ionization Potential: 6.4 Volts
- 2nd Ionization Potential: 12.2 Volts
- 3rd Ionization Potential: 20.5 Volts
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Identified
by Johann Gadolin
Finland in 1794
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Identified by Norm Hansen in 2001
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