Comparison of Scandium and Palladium

Attribute	Palladium ×	Scandium ×
Atomic mass (u)	106.42	44.95591
Standard state	Solid	Solid
Oxidation states	+2 +3	+3
Electron configuration	[Kr]4d¹⁰	[Ar]4s²3d¹
Atomic radius (van der waals) (pm)	202	211
Electronegativity (pauling scale)	2.2	1.36
Electron affinity (eV)	0.557	0.188
Ionization energy (eV)	8.337	6.561
Boiling point (K)	3236	3109
Melting point (K)	1828.05	1814
Density (g/cm³)	12	2.99
Atomic number	46	21
Group name	Transition metal	Transition metal
Discovered (year)	1803	1879
Symbol	Pd	Sc