H-U, Hydrate, Radioactive, Phase transitions

• C-H-O-U
• H-N-O-U
• C-H-N-O-U
• H-Na-O-S-U
• As-H-O-U
• fusion
• temperature for congruent melting
• decomposition temperature
• decomposition
• structural transitions
• hydrate
• radioactive
• actinoid
• chalcogen
• monoclinic
• orthorhombic
• triclinic
• tetragonal
• trigonal