Periodic Table Navigator

See how the elements are related to each other

Group
13 14 15
Period 2
5
B
Boron
[He] 2s2 2p1
6
C
Carbon
[He] 2s2 2p2
Name origin: the Latin 'carbo', meaning charcoal
Atomic weight (amu): 12.011
Specific heat capacity (J/gK): 0.709
Density (g/cm3): 2.267
Melting point (K): 3800.0
Boiling point (K): 4300.0
Electronegativity (Pauling): 2.55
Abundance (mg/kg): 200.0
3
14
Si
Silicon
[Ne] 3s2 3p2

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)