7 - Nitrogen diatomic nonmetal
Discovered by Daniel Rutherford in 1772
- Atomic Radius (Å)
Nitrogen is a chemical element with symbol N and atomic number 7. It is the lightest pnictogen and at room temperature, it is a transparent, odorless diatomic gas. Nitrogen is a common element in the universe, estimated at about seventh in total abundance in the Milky Way and the Solar System.
| Shell | Electrons | Orbitals |
|---|---|---|
| 1 | 2 | 2 in 1s |
| 2 | 5 | 2 in 2s + 3 in 2p |
14.01 u
Atomic Mass
0.75 Å
Atomic Radius
77.36 K
Boiling Point
0.71 Å
Covalent Radius
1.25e-3 g/cm³
Density
-6.80e+0
Electron Affinity
3.04
Electronegativity
14.53 eV
First Ionization Energy
63.29 K
Melting Point
2
Number of Shells
5
Electron Valency
7
Atomic Number
2, 5
Electron Shell Occupations
1.04 J/(g K)
Specific Heat
