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Astronomy Chemical element

Tantalum

Tantalum (Ta) is a chemical element belonging to the category Transition metal, with atomic number 73 and atomic mass 180.9500 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

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Astronomy · Chemical element

Tantalum

EL21

Identity

  • Name: Tantalum
  • Symbol: Ta
  • Atomic number: 73
  • Atomic mass: 180.9500 u

Position in the periodic table

  • Group: 5
  • Period: 6
  • Category: Transition metal

Physico-chemical properties

  • Standard state: Solid
  • Melting point: Very high (~3017°C)
  • Density: High
  • Electron configuration: [Xe] 4f¹⁴ 5d³ 6s²

Scientific description

Tantalum is a chemical element with symbol Ta and atomic number 73. It is a transition metal located in group 5 and period 6 of the periodic table. Its standard atomic mass is 180.9500 u.