Actinoid, Non-disordered, Radioactive, Temperature for congruent melting

• O-U
• Co-Th
• H-O-P-U
• Te-U
• H-N-O-U
• non-disordered
• radioactive
• actinoid
• chalcogen
• monoclinic
• orthorhombic
• tetragonal
• cubic
• hexagonal