Comparison of Boron and Vanadium

Attribute	Boron ×	Vanadium ×
Atomic mass (u)	10.81	50.9415
Standard state	Solid	Solid
Oxidation states	+3	+2 +3 +4 +5
Electron configuration	[He]2s²2p¹	[Ar]4s²3d³
Atomic radius (van der waals) (pm)	192	179
Electronegativity (pauling scale)	2.04	1.63
Electron affinity (eV)	0.277	0.525
Ionization energy (eV)	8.298	6.746
Boiling point (K)	4273	3680
Melting point (K)	2348	2183
Density (g/cm³)	2.37	6
Atomic number	5	23
Group name	Metalloid	Transition metal
Discovered (year)	1808	1801
Symbol	B	V