All chemical elements

Symbol

Ta

Atomic number

73

Chemical property

Transition metal

Origin o the name

King Tantalus, father of Niobe from Greek mythology

Group

5

Period

6

Atomic weight (u)

180.94788

Atomic weight uncertainty (u)

0.00002

Density (g/cm³)

16.654

Melting point (K)

3290

Boiling point (K)

5731

Heat capacity (J/(g·K))

0.14

Electro-negativity

1.5

Abundance in earth's crust (mg/kg)

2