Alkali, Chalcogen, Co-Na-O, Values of electronic energy gap

• Co-Na-O-P
• Co-H-Na-O-P
• Co-H-Na-O
• Co-Na-O-Si
• chalcogen
• alkali
• transitional
• disordered
• monoclinic
• orthorhombic
• triclinic
• hexagonal
• trigonal