Actinoid, Chalcogen, Radioactive, Enthalpy or energy

• O-U
• C-H-N-O-U
• K-O-U
• Te-U
• H-N-O-U
• enthalpy of formation
• Gibbs energy of formation
• enthalpy of reaction
• enthalpy change
• cohesive energy
• radioactive
• actinoid
• chalcogen
• non-disordered
• monoclinic
• orthorhombic
• cubic
• tetragonal
• triclinic