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