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 | Other | easy | 3 m. | An exercise consisted of match the following type of question related to atomic number. |
| 2. | Calculation of atomic mass | Other | easy | 2 m. | An exercise consisted of problem-solving questions about calculating an element's mass number. |
| 3. | Isotopes and isobars | Other | easy | 2 m. | An exercise consisted of choosing the correct answer type questions related to distinguishing between isotopes and isobars. |
| 4. | Mass and atomic number | Other | easy | 1 m. | An exercise consisted of multiple choice question related to the atomic number mass number. |
| 5. | Properties of isotopes, isobars and isotones | Other | medium | 1 m. | An exercise consisted of multiple choice question related to properties of isotopes, isobars and isotones. |
| 6. | Calculation of average atomic mass | Other | medium | 2 m. | This exercise consists of one textbook question and holds two marks. The student has to select the correct answer, and the question deals with the average atomic mass of isotopes. As an outcome of this exercise, the student will learn about the mentioned concept. |
| 7. | Calculate the mass number | Other | medium | 3 m. | An exercise consisted of problem-solving questions about calculating the mass number of an given atomic species. |
| 8. | Calculate the number of electrons and protons I | Other | hard | 3 m. | An exercise consisted of problem-solving questions about calculating the number of protons and electrons in an atom. |
| 9. | Application of isotopes | Other | hard | 1 m. | This exercise contains multiple choice questions and answers, holding one mark. The student has to choose the correct answer related to application of isotopes. |