Comparison of Vanadium and Rhodium

Attribute	Rhodium ×	Vanadium ×
Atomic mass (u)	102.9055	50.9415
Standard state	Solid	Solid
Oxidation states	+3	+2 +3 +4 +5
Electron configuration	[Kr]5s¹4d⁸	[Ar]4s²3d³
Atomic radius (van der waals) (pm)	195	179
Electronegativity (pauling scale)	2.28	1.63
Electron affinity (eV)	1.137	0.525
Ionization energy (eV)	7.459	6.746
Boiling point (K)	3968	3680
Melting point (K)	2237	2183
Density (g/cm³)	12.4	6
Atomic number	45	23
Group name	Transition metal	Transition metal
Discovered (year)	1803	1801
Symbol	Rh	V