| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | hydrolysis | chemistry researchers | Commonly studied as a chemical reaction in laboratories | 1 |
| 2 | oxygen | Chemistry Researchers | Oxygen is a highly reactive element that is essential for combustion and respiration | 1 |
| 3 | oxygen | Chemistry researchers | Oxygen is a chemical element with the symbol O and atomic number 8, and is a key component in many chemical reactions and processes. | 1 |
| 4 | oxygen | chemists | A chemical element with the symbol O, reactive and commonly involved in combustion and oxidation reactions | 1 |