73Ta

Tantalum

Transition Metal

Tantalum (Ta) is element 73, a transition metal, in period 6 and group 5 of the periodic table. Its standard atomic weight is 180.948, it melts at 3017 °C and boils at 5458 °C. Discovered by Anders Gustaf Ekeberg, 1802.

Atomic Number73

SymbolTa

NameTantalum

Atomic Weight180.948 u

CategoryTransition Metal

Period6

Group5

Melting Point3017 °C

Boiling Point5458 °C

Density16.654 g/cm³

Electron Config[Xe] 4f14 5d3 6s2

Discovered ByAnders Gustaf Ekeberg, 1802

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