Periodic Table Navigator

See how the elements are related to each other

Group
17 18
Period 2
9
F
Fluorine
[He] 2s2 2p5
10
Ne
Neon
[He] 2s2 2p6
Name origin: the Greek 'neos', meaning new
Atomic weight (amu): 20.1797
Specific heat capacity (J/gK): 1.03
Density (g/cm3): 0.0008999
Melting point (K): 24.56
Boiling point (K): 27.07
Electronegativity (Pauling): unknown
Abundance (mg/kg): 0.005
3
18
Ar
Argon
[Ne] 3s2 3p6

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)