C-H-N-O, Cell and atoms, Chalcogen, Hydrate, Phase transitions

• C-Cu-H-N-O
• C-H-N-Na-O
• C-Co-H-N-O
• C-H-K-N-O
• fusion
• temperature for congruent melting
• organic
• hydrate
• chalcogen
• pnictogen
• monoclinic
• triclinic
• orthorhombic
• hexagonal
• cubic