Comparison of Manganese and Holmium

Attribute	Holmium ×	Manganese ×
Standard state	Solid	Solid
Electron configuration	[Xe]6s²4f¹¹	[Ar]4s²3d⁵
Atomic mass (u)	164.93033	54.93804
Electronegativity (pauling scale)	1.23	1.55
Oxidation states	+3	+2 +3 +4 +7
Ionization energy (eV)	6.022	7.434
Atomic radius (van der waals) (pm)	216	197
Boiling point (K)	2973	2334
Melting point (K)	1747	1519
Density (g/cm³)	8.8	7.3
Atomic number	67	25
Group name	Lanthanide	Transition metal
Discovered (year)	1878	1774
Symbol	Ho	Mn