Tantalum Element in Periodic Table | Atomic Number Atomic Mass

Tantalum Element:

The chemical element Tantalum is a rare, hard, blue-gray, lustrous transition metal. It is member of d-block, 5^th group and 6^th period of the periodic table. Its atomic number is 73 and indicated by the symbol Ta. It is named after Tantalos, a Greek mythological character. Tantalum is sometimes, but only rarely, found uncombined in nature. It is obtained naturally from the mineral columbite-tantalite. Natural tantalum has two known isotopes, ^180mTa and ¹⁸¹Ta. The more stable isotope is ¹⁸¹Ta.

Uses Of Tantalum Element:

• One of the main uses of Tantalum is in tantalum capacitors in electronic equipment such as mobile phones, DVD players, video game systems and computers.
• The metal is used in dental and surgical instruments and implants, as it causes no immune response in mammals.
• Tantalum is also used to produce a variety of alloys, used for turbine blades, rocket nozzles and nose caps for supersonic aircraft.
• For making camera lenses with high refractive index, tantalum oxide is necessary.

Tantalum Element Information:

Discovery year:1802

Discovered by: Anders Gustaf Ekeberg

Atomic number: 73

Relative atomic mass: 180.948 

Electron configuration: [Xe] 4f¹⁴ 5d³ 6s²

Block: d-block 

Other elements in the same block:

Scandium, Titanium, Vanadium, Chromium, Manganese, Iron, Cobalt, Nickel, Copper, Zinc, Yttrium, Zirconium, Niobium, Molybdenum, Technetium, Ruthenium, Rhodium, Palladium, Silver, Cadmium, Lanthanum,  Hafnium, Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold, Mercury, Actinium, Rutherfordium, Dubnium, Seaborgium, Bohrium, Hassium, Meitnerium, Darmstadtium, Roentgenium and  Copernicium are the elements in the same block.

Period: period 6

Other elements in the same period:

Caesium, Barium, Lanthanum,  Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Hafnium, Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold, Mercury, Thallium, Lead, Bismuth, Polonium, Astatine and Radon

Group: group 5

Other elements in the same group:

Vanadium, Niobium and Dubnium are the elements in the same group.

Other elements in the same orbital:

Hafnium Tungsten, Rhenium, Osmium, Iridium, Platinum, Gold and  Mercury are the elements in the same orbital.

Allotropes: none

Key isotopes: ¹⁸⁰Ta, ¹⁸¹Ta 

Melting point: 3017°C, 5463°F, 3290 K 

Boiling point: 5455°C, 9851°F, 5728 K 

Element category:  transition metal

Density (g cm⁻³): 16.4 

CAS number: 7440-25-7 

Color: gray blue

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