Chalcogen, Enthalpy or energy, H-Nd

• H-Nd-O-P
• H-Nd-O-S
• C-H-Nd-O
• H-N-Nd-O
• C-H-N-Nd-O
• enthalpy of formation
• enthalpy of reaction
• chalcogen
• rare earth
• lanthanoid
• hydrate
• monoclinic
• orthorhombic
• triclinic
• hexagonal
• tetragonal