Periodex

General properties

Group

group 4

Period

period 4

Category

transition metals

Standard atomic weight

47.867(1)

Melting point

1941 K (1668 °C)

Boiling point

3560 K (3287 °C)

Phase at STP

solid

Additional properties

Block

d-block

Electron configuration

[Ar] 3d² 4s²

Electrons per shell

2, 8, 10, 2

Electronegativity

1.54

Density

4.506 g/cm³

Oxidation states

−2, −1, 0, +1, +2, +3, +4 (an amphoteric oxide)

CAS Number

7440-32-6

Natural isotopes

Discovery history

Discovered by

William Gregor

Year of discovery

1791

Origin of name

Titans, the sons of the Earth goddess of Greek mythology