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Scandium (Atomic Number 21)

Category: transition | Period 4, Group 3 | Block: d

Lightweight transition metal used to strengthen aluminum alloys.

Atomic & Physical Constants

Standard Atomic Weight:
44.9559085 u
Standard State Phase:
Solid
Electron Configuration:
2, 8, 9, 2
Electronegativity (Pauling):
1.36
Melting Point:
1814 K
Boiling Point:
3109 K

Historical Discovery & Real-World Applications

Industrial & Scientific Uses

Aerospace components, baseball bats, stadium lighting

Discovery History

Discovered by Lars Fredrik Nilson (1878).

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