Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Atomic and mass numbers with isotopes, isobars, and isotones | A theoretical material explains the atomic number, mass number, isotopes, isobars, and isotones. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Atomic number, mass number and isotopes | Other | easy | 2 m. | This exercise contains multiple choice questions and answers, holding two marks. The student has to choose the correct answer related to the atomic number, mass number, and isotope. |
| 2. | Average atomic mass and applications of isotopes | Other | easy | 2 m. | This exercise contains multiple choice questions and answers, holding two marks. The student has to choose the correct answer related to the average atomic mass and application of isotopes. |
| 3. | Chemical properties of isotopes and isobars | Other | easy | 1 m. | This exercise contains assertion and reasoning type of question, holding one mark. The student has to choose the correct answer for properties of isotope and isobar. |
| 4. | Identifying atomic number | Other | easy | 2 m. | The student has very short answer questions about identifying atomic number. As an outcome of the exercise, the student will learn about the mentioned concepts. |
| 5. | Calculation of percentage of isotopes | Other | medium | 2 m. | The student has very short answer questions about the calculation of percentage of isotopes. As an outcome of the exercise, the student will learn about the mentioned concepts. |
| 6. | Atomic number and mass number | Other | medium | 3 m. | The student has short answer questions about the atomic number and mass number. As an outcome of the exercise, the student will learn about the mentioned concepts. |
| 7. | Calculation of number of protons and neutrons | Other | medium | 3 m. | The student has short answer questions about the calculation of protons and neutrons. As an outcome of the exercise, the student will learn about the mentioned concepts. |
| 8. | Isotope and isobar | Other | medium | 4 m. | The student has very long answer questions about the isotopes.and isobars As an outcome of the exercise, the student will learn about the mentioned concepts. |
| 9. | Identifying isotopes, isobars and isotones | Other | hard | 6 m. | The student has very long answer questions about the isotopes. isobars, and isotones As an outcome of the exercise, the student will learn about the mentioned concepts. |