Lithium (Li) Properties |
ALithium (ALi)
Properties 1/ |
Nuclear (3 protons/electrons)
- Atomic Number: 3
- Atomic Mass: 6.9418
- Atomic Energy: 0.0104 Ergs
- Group: 1; Period: 2
- Family: Alkali
Earth Metals
- Bonding Radius: 1.23 Angstroms
- Atomic Radius: 2.05 Angstroms
- Atomic Volume: 13.10 cm3mol-1
- 9
Isotopes: 4Li to 12Li
- Stable Isotopes: 6Li,
7Li
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Nuclear (3 Aprotons/positrons)
- Atomic Number:3
- Atomic Mass: 6.9418
- Atomic Energy: 0.0104 Ergs
- Group: 1; Period: 2
- Family: Alkali
Earth Metals
- Bonding Radius: 1.23 Angstroms
- Atomic Radius 2.05 Angstroms
- Atomic Volume: 13.10 cm3mol-1
- 9 A Isotopes: 4ALi
to 12ALi
- Stable AIsotopes: 6ALi,
7ALi
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Physical
- Soft silvery-white metal. Lightest of metals
- Density: 0.53 g cm-3
- Melting Point: 180.5 oC
- Boiling Point: 1,347 oC
- Specific Heat: 3.6 J g-1 K-1
- Heat of Vaporization: 145.9 kJ mol-1
- Heat of Fusion: 3.0 kJ mol-1
- Electrical Conductivity: 0.108 106 cm-1 Ohm-1
- Thermal Conductivity: 0.847 W cm-1 K-1
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Physical
- Soft silvery-white metal. Lightest of metals
- Density: 0.53 g/cm-3
- Melting Point:180.5 oC
- Boiling Point: 1,347 oC
- Specific Heat: 3.6 J g-1 K-1
- Heat of Vaporization: 145.9 kJ mol-1
- Heat of Fusion: 3.0 kJ mol-1
- Electrical Conductivity: 0.108 106 cm-1 Ohm-1
- Thermal Conductivity: 0.847 W cm-1 K-1
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Chemical
- Valance Number: +1
- Electron Configuration: 2,1
- Electronegativity: 0.98
- 1st Ionization Potential: 5.39 Volts
- 2nd Ionization Potential: 76.6 Volts
- 3rd Ionization Potential: 122.5 Volts
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Chemical
- Valance Number: -1
- Positron Configuration: 2,1
- Positronpositivity: 0.98
- 1st Ionization Potential: 5.39 Volts
- 2nd Ionization Potential: 76.6 Volts
- 3rd Ionization Potential: 122.5 Volts
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Identified by Johann Arfvedson
in 1817
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Identified by Norm Hansen in 2001
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