 |
| General |
| Name | Nitrogen |
| Symbol | N |
| Number | 7 |
| Group Number | 15 |
| Group | Non-Metal |
| Block | p |
| Density | 0.0012506 g/cm3 |
| Atomic Weight | 14.0067 g/mol |
| Atomic Volume | 17.3 cm3/mol |
| Discover | 1772 |
|
| States |
| State | Gas |
| Melting Point | 63.15 K |
| Boiling Point | 77.36 K |
| Triple Point | Nil |
| Critical Point | 126.21 K |
| Heat of Fusion | 0.360 kJ/mol |
| Heat of Vaporization | 5.56 kJ/mol |
|
| Energies |
| First Ionization Energy | 1402.3 kJ/mole |
| Second Ionization Energy | 2856 kJ/mole |
| Third Ionization Energy | 4578 kJ/mole |
| Electronegativity | 3.04 |
| Electron Affinity | -6.75 kJ/mole |
| Specific Heat | 1.04 J/gK |
| Heat Atomization | 473 kJ/mole atoms |
|
| Oxidation and Electrons |
| Shells | 2,5 |
| Electron Configuration | 1s2 2s2 2p3 |
| Minimum Oxidation Number | -3 |
| Maximum Oxidation Number | 5 |
| Minimum Common Oxidation Number | -3 |
| Maximum Common Oxidation Number | 5 |
|
| Appearance and Characteristics |
| Crystal Structure | hexagonal |
| Characteristics | diatomic(N2) |
| Color | colorless |
| Uses | fertilizer, cryogenics |
| Hardness | mohs |
| Toxicity | No |
|
| Reactions |
| Reaction with Air | None |
| Reaction with 6M HCl | None |
| Reaction with 15M HNO3 | None |
| Reaction with 6M NaOH | None |
|
| Other Forms |
| Number of Isotopes | 2 |
| Hydride | NH3 N2H4 HN3 |
| Oxide | N2O NO NO2 N2O5 |
| Chloride | NCl3 |
|
| Radius |
| Atomic Radius | 70 pm |
| Ionic Radius (1+ ion) | Nil |
| Ionic Radius (1- ion) | Nil |
| Ionic Radius (2+ ion) | Nil |
| Ionic Radius (2- ion) | Nil |
| Ionic Radius (3+ ion) | 30 pm |
|
| Conductivity |
| Thermal Conductivity | 0.03 J/m-sec-deg |
| Electrical Conductivity | 0 1/mohm-cm |
| Polarizability | 1.1 A3 |
|
| Abundance |
| Source | Air |
| Relation Abundance Solar System | 6.496 log |
| Abundance Earth's Crust | 1.3 log |
|
