Chemical formula of nitrogen

By: Prof. Dr. Fazal Rehman Shamil | Last updated: February 3, 2024

Chemical formula of nitrogen is N.

Physical Properties of Nitrogen:

PropertyDetails
Boiling Point-195.8°C
ColorColorless
Crystal StructureHexagonal (α-N₂), Cubic (β-N₂)
Density1.25 kg/m³
Melting Point-210.0°C
OdorOdorless
SolubilitySlightly soluble in water
Specific Heat1.040 J/(g·K)
StateGas at room temperature and pressure
Thermal Conductivity0.0259 W/(m·K)

Chemical Properties of Nitrogen:

Properties Details
Chemical FormulaN₂
CombustibilityNon-flammable
Oxidation StateNitrogen typically exhibits oxidation state of -3
Reaction with HalogensForms nitrogen halides (e.g., nitrogen trifluoride, NF₃)
Reaction with HydrogenForms ammonia (NH₃) through the Haber-Bosch process
Reaction with MetalsForms nitrides when reacting with some reactive metals
Reaction with OxygenForms oxides such as nitrogen dioxide (NO₂) and dinitrogen tetroxide (N₂O₄)
Reaction with Oxygen-containing CompoundsCan oxidize certain organic compounds
ReactivityRelatively unreactive at room temperature

Reaction of nitrogen with Alkali metal

Alkali metalReaction
Lithium (Li)6Li + N2   react and changes into  2Li3N
Sodium (Na)6Na + N2   react and changes into  2Na3N
Potassium (K)6K + N2   react and changes into  2K3N
Rubidium (Rb)6Rb + N2   react and changes into  2Rb3N
Cesium (Cs)2Cs + N2   react and changes into  Cs2N

Reaction of nitrogen with Alkaline earth metal

Alkaline earth metalReaction
Beryllium (Be)No product (nitrogen is inert with beryllium)
Magnesium (Mg)3Mg + N2   react and changes into  Mg3N2
Calcium (Ca)3Ca + N2   react and changes into  Ca3N2
Strontium (Sr)3Sr + N2   react and changes into  Sr3N2
Barium (Ba)3Ba + N2   react and changes into  Ba3N2
Radium (Ra)No product (nitrogen is inert with radium)

 Reaction of nitrogen with Transition metal

Transition metalReaction
Iron (Fe)3Fe + 2N2   react and changes into  Fe3N4
Cobalt (Co)3Co + N2   react and changes into  Co3N2
Nickel (Ni)3Ni + N2   react and changes into  Ni3N2
Copper (Cu)No product (nitrogen is inert with copper)
Zinc (Zn)No product (nitrogen is inert with zinc)
Yttrium (Y)2Y + 3N2   react and changes into  Y2N3
Zirconium (Zr)Zr + 2N2   react and changes into  ZrN4
Molybdenum (Mo)Mo + 2N2   react and changes into  MoN2
Silver (Ag)No product (nitrogen is inert with silver)
Tungsten (W)W + 2N2   react and changes into  WN2
Platinum (Pt)Pt + 2N2   react and changes into  PtN4

Reaction of nitrogen with Non-transition metal

Non-transition metalReaction
Aluminum (Al)2Al + N2   react and changes into  AlN + Al2N3
Boron (B)2B + 3N2   react and changes into  2BN
Carbon (C)C + N2   react and changes into  CN2
Silicon (Si)Si + 2N2   react and changes into  Si3N4
Phosphorus (P)P4 + 5N2   react and changes into  2PN + 3P2N5
Sulfur (S)8S + N2   react and changes into  S3N4
Chlorine (Cl)3Cl2 + N2   react and changes into  2NCl3
Oxygen (O)No product (nitrogen is inert with oxygen)
Hydrogen (H)3H2 + N2   react and changes into  2NH3

Reaction of nitrogen with  Non-metal element

Non-metal elementReaction
Hydrogen (H)3H2 + N2   react and changes into  2NH3
Carbon (C)C + N2   react and changes into  CN2
Oxygen (O)2N2 + 5O2   react and changes into  2N2O5
Fluorine (F)N2 + 3F2   react and changes into  2NF3
Chlorine (Cl)N2 + 3Cl2   react and changes into  2NCl3
Bromine (Br)N2 + 3Br2   react and changes into  2NBr3
Iodine (I)N2 + 3I2   react and changes into  2NI3
Sulfur (S)N2 + 3S8   react and changes into  2S3N4
Phosphorus (P)4P + 5N2   react and changes into  2PN + P2N5
Selenium (Se)N2 + 3Se   react and changes into  Se3N2

Reaction of nitrogen with  Metalloid element

Metalloid elementReaction
Boron (B)2B + 3N2   react and changes into  2BN
Silicon (Si)Si + 2N2   react and changes into  Si3N4
Germanium (Ge)4Ge + N2   react and changes into  2Ge2N + Ge3N4
Arsenic (As)4As + 5N2   react and changes into  2As3N + 3As2N5
Antimony (Sb)3Sb + 2N2   react and changes into  Sb3N4 + SbN
Tellurium (Te)Te + N2   react and changes into  Te3N2

Reaction of nitrogen with Noble gas element

Noble gas elementReaction
Helium (He)No product (nitrogen is inert with helium)
Neon (Ne)No product (nitrogen is inert with neon)
Argon (Ar)No product (nitrogen is inert with argon)
Krypton (Kr)Kr + N2   react and changes into  KrN2
Xenon (Xe)Xe + N2   react and changes into  XeN2, Xe2N2O,