Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Atoms and molecules | A theoretical material explains how to write chemical formula and molecular mass. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Law of constant proportions | Other | easy | 2 m. | The student has to choose the correct answer for atoms and molecules. |
| 2. | Atomic mass | Other | easy | 1 m. | The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts. |
| 3. | Ions | Other | easy | 2 m. | The student has to choose the correct answer for atoms and molecules. |
| 4. | Chemical element symbol representations | Other | medium | 3 m. | The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts. |
| 5. | Classification of molecules: Drag & drop | Other | medium | 6 m. | Recall the concept of the classification of molecules by answering the given questions. |
| 6. | Atomicity | Other | medium | 3 m. | The student has to choose the correct answer for atoms and molecules. As a result, the student will understand the mentioned concept. |
| 7. | Writing chemical formulae of compounds containing polyatomic ions | Other | medium | 2 m. | The student has to choose the correct answer for atoms and molecules. As a result, the student will understand the mentioned concept. |
| 8. | Molecular mass | Other | hard | 2 m. | The student has to choose the correct answer for atoms and molecules. As a result, the student will understand the mentioned concept. |
| 9. | Law of conservation of mass | Other | hard | 5 m. | The student has to choose the correct answer, and the questions deal with the importance of the atoms and molecules. As an outcome of this exercise, the student will learn about the mentioned concepts. |