Comparison of Beryllium and Palladium

Attribute	Palladium ×	Beryllium ×
Standard state	Solid	Solid
Electron affinity (eV)	0.557	-
Electron configuration	[Kr]4d¹⁰	[He]2s²
Atomic mass (u)	106.42	9.012183
Electronegativity (pauling scale)	2.2	1.57
Oxidation states	+2 +3	+2
Ionization energy (eV)	8.337	9.323
Atomic radius (van der waals) (pm)	202	153
Boiling point (K)	3236	2744
Melting point (K)	1828.05	1560
Density (g/cm³)	12	1.85
Atomic number	46	4
Group name	Transition metal	Alkaline earth metal
Discovered (year)	1803	1798
Symbol	Pd	Be