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Nitrogen (N)

Atomic number: 7 · Category: diatomic nonmetal · Group 15 · Period 2 · Phase: Gas

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.

Atomic mass: 14.007
Density: 1.251
Melting point: 63.15 K
Boiling point: 77.355 K
Appearance: colorless gas, liquid or solid
Source: Wikipedia
Block: p
CPK color:#3050f8

Electronic structure

Electron configuration: 1s2 2s2 2p3
Configuration (semantic): [He] 2s2 2p3
Shells: 2, 5
Electronegativity (Pauling): 3.04
Electron affinity: -6.8
Ionization energies: 1402.3, 2856, 4578.1, 7475, 9444.9, 53266.6, 64360

Periodic position

Group: 15
Period: 2
xpos: 15
ypos: 2

Spectral/Bohr images

Image
Vial of Glowing Ultrapure Nitrogen, N2. Original size in cm: 1 x 5
3D Model