Periodic Table Navigator

See how the elements are related to each other

Group
14 15 16
2
7
N
Nitrogen
[He] 2s2 2p3
Period 3
14
Si
Silicon
[Ne] 3s2 3p2
15
P
Phosphorus
[Ne] 3s2 3p3
Name origin: the Greek 'phosphoros', meaning bringer of light
Atomic weight (amu): 30.973762
Specific heat capacity (J/gK): 0.769
Density (g/cm3): 1.82
Melting point (K): 317.3
Boiling point (K): 550.0
Electronegativity (Pauling): 2.19
Abundance (mg/kg): 1050.0
4
33
As
Arsenic
[Ar] 4s2 3d10 4p3

Tip: Hover over an adjacent element to compare its electron configuration to that of the central element.

Legend

3d10 Different electron shell (n)

3d10 Different electron count

3d10 New term (orbital)