Periodic Table · element

Scandium

Sc · Z 21

atomic number

21

atomic mass

44.956

notation

Sc

group

3: Scandium

period

4

state0c

Solid

state20c

Solid

occurrence

Primordial

density

2.985

melting pt

1540

boiling pt

2836

discovered

1879

abundance

22

ore minerals

in nickel laterites, titanium waste streams, uranium tailings

mined as

By-product

extraction

No scandium mine exists; it is scavenged from the acid leach liquors of nickel laterite and titanium pigment plants.

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From the All Periodical Elements database in Notion, last edited 2026-08-16. This page is the row, rendered by the build; nothing on it is written by hand.