|Group||5||Melting point||3017°C, 5463°F, 3290 K|
|Period||6||Boiling point||5455°C, 9851°F, 5728 K|
|Block||d||Density (g cm−3)||16.4|
|Atomic number||73||Relative atomic mass||180.948|
|State at 20°C||Solid||Key isotopes||180Ta, 181Ta|
|Electron configuration||[Xe] 4f145d36s2||CAS number||7440-25-7|
|ChemSpider ID||22395||ChemSpider is a free chemical structure database|
- Tantalum is a chemical element with symbol Ta and atomic number 73 in the periodic table.
- Its name originates from the name of a villain from Greek mythology, Tantalus.
- Tantalum appears as a shiny and silvery metal in its soft and pure form.
- The metal is corrosion resistant and is bound to chemical attack below 150 C.
- This element is abundantly found in nature just like the uranium.
- Tantalum is in the form of hard, rare, blue-gray, lustrous metal.
- The metal is said to be an excellent conductor of heat & electricity. It has a high melting point of about 3017 °C and a boiling point of about 5458 °C.
- Apart from the Hydrochloric acid, this metal shows excellent resistance to all acids in normal temperature.
- It usually appears in the +5 oxidation state coming in its compounds. It is known to be as one of the inert chemical elements found on the earth.
- It finds its applications in the field of high-temperature devices such as in the engines of aircraft
- It is used mainly as an alloying medium as it is helpful for hardening metals
- It is employed in the manufacture of capacitors
- It has high number of medical as well as dental applications
- It is utilized in the chemical industries as it exhibits the properties of resistance to corrosion.
- Tantalum causes many health-related problems such as irritation of the skin and eye when inhaled, ingested or when it gets absorbed into the skin.
- This metal is also dangerous to mucous membranes and also the upper respiratory tract.
- This element might cause severe damage to the environment hence necessary measures need to be taken before disposing of it.