General: |
|
Name: Nitrogen
|
Symbol: N
|
|
Group: Non-Metal
|
Atomic weight: 14.0067
|
|
Density @ 293 K: 0.0012506 g/cm3
|
Atomic volume: 17.3 cm3/mol
|
|
Group: Non-Metal
|
discovered: 1772
|
|
States: |
|
state (s, l, g): g
|
|
melting point: 63.34 K
|
boiling point: 77.4 K
|
|
Heat of fusion: 0.3604 kJ/mol
|
Heat of vaporization: 2.7928 kJ/mol
|
|
Energies: |
|
1st ionization energy: 1402.3 kJ/mole
|
|
electronegativity: 3.04
|
2nd ionization energy: 2856 kJ/mole
|
|
electron affinity: -6.75 kJ/mole
|
3rd ionization energy: 4578 kJ/mole
|
|
Specific heat: 1.04 J/gK
|
heat atomization: 473 kJ/mole atoms
|
|
Oxidation & Electrons: |
|
Shells: 2,5
|
electron configuration: [He] 2s2 2p3
|
|
minimum oxidation number: -3
|
maximum oxidation number: 5
|
|
min. common oxidation no.: -3
|
max. common oxidation no.: 5
|
|
Appearance & Characteristics: |
|
structure:
|
color: colorless
|
|
uses: fertilizer, cryogenics
|
toxicity: no
|
|
hardness: mohs
|
characteristics: diatomic(N2)
|
|
Reactions: |
|
reaction with air: none
|
|
reaction with 6M HCl: none
|
reaction with 6M HCl: none
|
|
reaction with 15M HNO3: none
|
reaction with 6M NaOH: none
|
|
Other Forms: |
|
number of isotopes: 2
|
hydride(s): NH3 N2H4 HN3
|
|
oxide(s): N2O NO NO2 N2O5
|
chloride(s): NCl3
|
|
Radius: |
|
ionic radius (2- ion): pm
|
ionic radius (1- ion): pm
|
|
atomic radius: 70 pm
|
ionic radius (1+ ion): pm
|
|
ionic radius (2+ ion): pm
|
ionic radius (3+ ion): 30 pm
|
|
Conductivity: |
|
thermal conductivity: 0.03 J/m-sec-deg
|
|
electrical conductivity: 0 1/mohm-cm
|
polarizability: 1.1 A^3
|
|
Abundance: |
|
source: Air
|
|
rel. abund. solar system: 6.496 log
|
abundance earth's crust: 1.3 log
|
|
cost, pure: 0.4 $/100g
|
cost, bulk: $/100g
|
|
