Metal, Rare earth, Transitional, Valence or charge transfer

• Ba-Cu-O-Y
• Ce-Pd
• La-Mn-O
• Ce-Ni
• Eu-Pd
• effective charge
• values of valence or charge transfer
• electron density maps
• valence electron concentration
• average number of 3d electrons
• metal
• rare earth
• transitional
• lanthanoid
• non-disordered
• tetragonal
• orthorhombic
• cubic
• hexagonal
• trigonal