Periodic Table of the Elements: Tantalum

Name: Tantalum
Symbol: Ta
Atomic Number: 73
Atomic Mass: 180.948
Atomic Volume: 10.88 cc/mol
Discovered By: Ekeberg
Discovery Date: 1802
Origin of Name: Tantalum - (Greek) Tantalos (father of Niobe in Greek mythology)
Toxicity: Not toxic. No data available on the toxicity of tantalum compounds.
Summary: Not found free in Nature. Tantalum is often associated with niobium. Used for pen nibs, and medical instruments.

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