| Nitrogen |
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7N |
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| Panagway |
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colorless gas, liquid or solid
Liquid nitrogen
Spectral lines of nitrogen |
| Kinatibuk-ang mga kinaiya |
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| Ngalan,simbolo,kaiphan | nitrogen, N, 7 |
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| Paglitok | /ˈnaɪtrədʒən/[[Help:Pronunciation respelling key|Plantilya:Smallcaps all-trə-jən]] |
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| Kategoriyang elemento | wala puthaw |
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| Group,period,block | 15, 2,p |
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| Gibug-aton sa atomo | 14.007(1) |
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| Kontorno sa elektron | [He] 2s2 2p3
2, 5 Electron shells of nitrogen (2, 5) |
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| History |
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| Pagkadiskobre | Daniel Rutherford (1772) |
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| Named by | Jean-Antoine Chaptal (1790) |
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| Physical properties |
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| Phase | gas |
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| Density | (0 °C, 101.325kPa)
1.251 g/L |
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| Liquiddensity atb.p. | 0.808 g·cm−3 |
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| Melting point | 63.15 K, -210.00 °C, -346.00 °F |
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| Boiling point | 77.36 K, -195.79 °C, -320.33 °F |
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| Triple point | 63.1526 K (-210°C), 12.53 kPa |
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| Critical point | 126.19 K, 3.3978 MPa |
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| Heat of fusion | (N2) 0.72kJ·mol−1 |
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| Heat of vaporization | (N2) 5.56 kJ·mol−1 |
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| Molar heat capacity | (N2)
29.124 J·mol−1·K−1 |
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| Vapor pressure |
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| P (Pa) | 1 | 10 | 100 | 1 k | 10 k | 100 k | | at T (K) | 37 | 41 | 46 | 53 | 62 | 77 |
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| Atomic properties |
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| Oxidation states | 5, 4,3, 2, 1, -1, -2, -3
(stronglyacidic oxide) |
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| Electronegativity | 3.04 (Pauling scale) |
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Ionization energies
(more) | 1st: 1402.3 kJ·mol−1 |
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| 2nd: 2856 kJ·mol−1 |
| 3rd: 4578.1 kJ·mol−1 |
| Covalent radius | 71±1 pm |
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| Van der Waals radius | 155 pm |
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| Miscellanea |
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| Crystal structure | hexagonal |
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| Magnetic ordering | diamagnetic |
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| Thermal conductivity | 25.83 × 10−3 W·m−1·K−1 |
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| Speed of sound | (gas, 27 °C) 353m·s−1 |
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| CAS registry number | 7727-37-9 |
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| Most stable isotopes |
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| Main article:Isotopes of nitrogen |
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| ·r |
