| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | chemical elements | Chemistry Students | Know the periodic table well | 1 |
| 2 | chemical elements | Chemistry students in Western countries | Knowing the chemical symbols and atomic numbers of elements is crucial for chemistry exams | 1 |
| 3 | chemical elements | chemistry students | Regarded as the building blocks of matter and integral to understanding materials | 1 |