| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | hydrogen | scientific community | Hydrogen is a key element in the search for sustainable energy solutions and is considered as a potential clean fuel for the future. | 1 |
| 2 | hydrogen | scientific community | Used as fuel for hydrogen fuel cells and has potential as a clean energy source | 1 |
| 3 | hydrogen | scientific community | Hydrogen is the most abundant element in the universe and is a key component of water and organic compounds. | 1 |
| 4 | hydrogen bond | scientific community | The concept of hydrogen bonds is widely accepted and studied in the scientific community, especially in fields such as chemistry and biochemistry. | 1 |
| 5 | hydrogen bond | scientific community | Hydrogen bonds are a crucial concept in understanding molecular interactions and structures in chemistry and biology. | 1 |