Scandium
Sc
Scandium
Transition Metal
Atomic number:
21
Atomic weight:
44.955910
Shells:
2,8,9,2
Orbitals:
[Ar] 3d1 4s2
Melting point:
1541°C
Boiling point:
2830°C
Covalent radius:
1.44
Å
Atomic volume:
15.0
cm³/mol
Atomic radius:
2.09
Å
Ionic radius:
.75 (+3)
Å
Electronegativity:
1.36
Oxidation states:
1st ionization pot.:
6.5614
V
2nd ionization pot.:
12.80
V
3rd ionization pot.:
24.76
V
Specific heat:
0.6
J/gK
Heat of fusion:
14.10
kJ/mol
Heat of vapor.:
314.20
kJ/mol
Thermal conduct.:
0.158
W/cmK
Electrical conduct.:
0.0177
10^6/cm ohm
Density:
3.0
g/cm³
Valence:
3
