Actinoid, Fusion, U

• C-H-N-O-U
• O-U
• Fe-Si-U
• Fe-Ge-U
• H-N-O-U
• temperature for congruent melting
• radioactive
• actinoid
• non-disordered
• chalcogen
• orthorhombic
• monoclinic
• cubic
• tetragonal
• hexagonal