21
44.956 u
Sc
Scandium
Transition Metal
Atomic Structure
Physical State
Group
3
Period
4
Block
d
Electron Configuration
[Ar] 3d¹ 4s²
Physical Properties
Atomic Mass:
44.956 u
Electronegativity:
1.36
Atomic Radius:
211 pm
Ionization Energy:
6.561 eV
Density:
2.989 g/cm³
Melting Point:
1814 K
Boiling Point:
3109 K
Historical Information
Discovered By:
Lars Fredrik Nilson
Year Discovered:
1879