Tantalum
From Simple English Wikipedia, the free encyclopedia
Tantalum is a chemical element. Tantalum was named tantalium. It has the chemical symbol Ta. It has the atomic number 73. It is a rare metal. It is hard and blue-gray. In chemistry it is placed in a group of metal elements named the transition metals.
Tantalum does not easily corrode. It is found in the mineral tantalite.