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. | Atomic theory | Other | easy | 2 m. | An exercise consisting of choose the correct answers type questions which related to atoms and molecules. |
| 2. | Atomicity of molecules | Other | easy | 2 m. | An exercise consisting of choose the correct answers type questions which related to atomicity of molecules. |
| 3. | Ions | Other | easy | 2 m. | This exercise consists of one key question for school exam preparation; which carries one mark. The student has multiple-choice questions from section 'A' about the ions. As an outcome of the exercise, the student will learn about the mentioned concepts. |
| 4. | Law of definite proportions | Other | medium | 2 m. | The student has to choose the correct answer for atoms and molecules. |
| 5. | Identification of chemical compounds | Other | medium | 3 m. | This exercise consists of two textbook questions; this question holds six marks. 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. |
| 6. | Valency | Other | medium | 3 m. | An exercise consisting of match the following type questions which related to the monovalent, divalent and trivalent elements. |
| 7. | Identifying chemical formulae of compounds | Other | medium | 3 m. | This exercise consists of one textbook question; this question holds three marks. 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. |
| 8. | Law of conservation of mass | Other | hard | 4 m. | This exercise consists of one key question for school exam preparation; which carries 2 marks. The student has data-based questions from section 'E' about law of conservation of mass. As an outcome of the exercise, the student will learn about the mentioned concepts. |
| 9. | Formula unit mass | Other | hard | 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. |