Periodic Table Navigator

See how the elements are related to each other

Group
4 5 6
6
73
Ta
Tantalum
[Xe] 6s2 4f14 5d3
Period 7
104
Rf
Rutherfordium
[Rn] 7s2 5f14 6d2
105
Db
Dubnium
[Rn] 7s2 5f14 6d3
Name origin: Dubna, Russia
Atomic weight (amu): 268.0
Specific heat capacity (J/gK):
Density (g/cm3): 29.3
Melting point (K):
Boiling point (K):
Electronegativity (Pauling): unknown
Abundance (mg/kg): 0.0

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)