Chalcogen, Pnictogen, Phase diagram, Rjicaq

• F-K-Li-Na-O-P
• Bi-Mo-O-Pb
• Bi-O-Pb-W
• Ag-Bi-Se-Tl
• H-K-Li-N-O
• chalcogen
• pnictogen
• alkali
• metalloid
• vertical section