Arsenate, Metalloid, Enthalpy of formation

• As-H-Mn-O
• As-Cu-H-O
• As-Ca-H-O
• As-Fe-H-O
• As-H-O-U
• metalloid
• arsenate
• chalcogen
• pnictogen
• monoclinic
• orthorhombic
• triclinic
• tetragonal
• trigonal