Hydrogen (H) Properties |
AHydrogen (AH)
Properties 1/ |
Nuclear (1 protons/electrons)
- Atomic Number: 1
- Atomic Mass: 1.00789
- Atomic Energy: 0.00150 Ergs
- Group: 1; Period: 1
- Family: Non-Metals
- Bonding Radius: 0.32 Angstroms
- Atomic Radius: 0.79 Angstroms
- Atomic Volume: 14.4 cm3mol-1
- 6
Isotopes: 1H
to 6H
- Stable Isotopes: 1H,
2H
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Nuclear (1 Aprotons/positrons)
- Atomic Number: 1
- Atomic Mass: 1.00789
- Atomic Energy: 0.00150 Ergs
- Group: 1; Period: 1
- Family: Non-Metals
- Bonding Radius: 0.32 Angstroms
- Atomic Radius: 0.79 Angstroms
- Atomic Volume: 14.4 cm3mol-1
- 6 A Isotopes: 1AH
to 6AH
- Stable A Isotopes: 1H,
2AH
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Physical
- Tasteless, colorless, odorless gas
- Density: 0.0000899 g cm-3
- Melting Point: -259.1 oC
- Boiling Point: 252.9 oC
- Specific Heat: 14.30 J g-1 K-1
- Heat of Vaporization: 0.449 kJ mol-1
- Heat of Fusion: 0.05868 kJ mol-1
- Electrical Conductivity: ? 106 cm-1 Ohm-1
- Thermal Conductivity: 0.001815 W cm-1 K-1
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Physical
- Tasteless, colorless, odorless gas
- Density: 0.0000899 g/cm-3
- Melting Point: -259.1 oC
- Boiling Point: 252.9 oC
- Specific Heat: 14.30 J g-1 K-1
- Heat of Vaporization: 0.449 kJ mol-1
- Heat of Fusion: 0.05868 kJ mol-1
- Electrical Conductivity: ? 106 cm-1 Ohm-1
- Thermal Conductivity: 0.001815 W cm-1 K-1
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Chemical
- Valance Number: +1
- Electron Configuration: 1
- Electronegativity: 2.20
- Ionization Energy: kcal mol-1
- 1st Ionization Potential: 13.6 Volts
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Chemical
- Valance Number: -1
- Positron Configuration: 1
- Positronpositivity: 2.20
- Ionization Energy: kcal mol-1
- 1st Ionization Potential: 13.6 Volts
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Identified by Henry Cavendish,
England, in 1766.
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Identified by
unconfirmed scientist
in unconfirmed country and date
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