Actinoid, Chalcogen, Am, Structural properties

• Am-O
• Am-O-U
• Am-Dy-K-O-P-Zr
• Am-Er-K-O-P-Zr
• Am-Ce-K-O-P-Zr
• chalcogen
• radioactive
• actinoid
• oxide
• cubic
• tetragonal
• monoclinic
• trigonal
• hexagonal