Chalcogen, Kasenov

• As-Na-O
• As-O-Rb
• As-Cs-O
• As-Cd-O
• As-K-O
• structural properties
• thermal and thermodynamic properties
• phase transitions
• phase diagram
• chalcogen
• transitional
• pnictogen
• metalloid
• alkali
• monoclinic
• orthorhombic
• trigonal
• tetragonal
• cubic