PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoMethodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Introduction to atoms and molecules | This theory recalls some concepts of an atom. |
| 2. | Atom and Atomic mass | This theory explains matter, atomic mass and relative atomic mass. |
| 3. | Average Atomic Mass | This theory explains the average atomic mass. |
| 4. | Average Atomic Mass (AAM): Calculation | This theory explains the calculation of average atomic mass. |
| 5. | Molecule and molecular mass | Molecule and its classification is explained in this theory. |
| 6. | Relative Molecular mass (RMM) and its calculation | Relative Molecular Mass and its calculation is explained in this theory. |
| 7. | Mind map | The subtopic of atoms and molecules is illustrated by a mindmap. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Book back questions: Fill in the blanks | 1st type - receptive | easy | 2 m. | Answer the given questions (book back and additional questions) to recall the chapter. |
| 2. | Atomicity: match the correct answer | 1st type - receptive | easy | 3 m. | You can remember the atomicity of certain chemical compounds by performing this exercise. |
| 3. | Atoms and molecules: Choose the correct answer | 1st type - receptive | easy | 3 m. | Recall some concepts of atoms and molecules by answering the given questions. |
| 4. | Atoms and molecules: True or false | 1st type - receptive | medium | 2 m. | Recall the concept of postulates of modern atomic theory and relative atomic mass. |
| 5. | Additional important questions | 2nd type - interpretation | medium | 2 m. | By answering the given questions, revise some important concepts. |
| 6. | Classification of molecules: Drag & drop | 3rd type - analysis | medium | 6 m. | Recall the concept of the classification of molecules by answering the given questions. |
| 7. | Atoms and molecules: Fill in the blanks | 3rd type - analysis | medium | 3 m. | Answer the given questions to recall the chapter. |
| 8. | Book back questions: True or false and Assertion & Reason | 3rd type - analysis | medium | 3 m. | Analyse and answer the given questions (book back and additional questions). |
| 9. | Atoms and molecules: Choose the correct answer | 3rd type - analysis | medium | 2 m. | By answering the given questions, you can improve your learning for the exam. |
| 10. | Number of atoms in a substance | 3rd type - analysis | medium | 3 m. | Practice calculating the number of atoms in the same amount of samples. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Finding relative molecular mass | Other | easy | 1 m. | You can practice how to calculate the relative molecular mass of chemical compounds by answering this exercise. |
| 2. | Molecules: Short answer questions | Other | medium | 6 m. | Answer the questions to recall the molecule's concepts and classification. |
| 3. | Atoms and molecules: Previous years questions | Other | medium | 5 m. | By solving previous year's questions, you can improve your learning for the exam. |
| 4. | Book back questions: Sort answer | Other | medium | 4 m. | Write the answers for the given questions to practice the sort answer questions. |
| 5. | Book back questions: Solve the problems | Other | medium | 1 m. | Analyse and answer the given questions. |
| 6. | Calculating Average Atomic Mass | Other | medium | 5 m. | You can practice how to calculate the average atomic mass of elements found as a mixture of isotopes by answering the given questions. |
| 7. | Stable isotopes of some elements: Calculating protons, neutrons and mass number | Other | hard | 8.5 m. | Calculating protons, neutrons, and mass numbers in relation to one another. |
| 8. | Calculating atomic mass | Other | hard | 9 m. | Atomic masses of some natural isotopes are calculated in this exercise |
| 9. | Avogadro’s number | Other | medium | 1 m. | Answer the questions to evaluate your understanding of atoms and molecules. |
| 10. | Atomic and mass number | Other | medium | 1 m. | This exercise contains one REMA test question and answer, which holds one mark. The student has to choose the best answer. As an outcome of this exercise, the student will learn about the atomic number and mass number. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Training Test | 00:30:00 | medium | 10 m. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework | 00:30:00 | medium | 8 m. | |
| 2. | Homework-I | 00:40:00 | medium | 14 m. | |
| 3. | Progress Test | 00:45:00 | hard | 10 m. | |
| 4. | Progress Test-I | 00:45:00 | medium | 15.5 m. | |
| 5. | Progress Test-II | 00:35:00 | medium | 10 m. | |
| 6. | Periodic Assessment | 00:10:00 | medium | 2 m. | PA1 - Atoms and Molecules |
| 7. | Periodic Assessment - 3 | 00:10:00 | medium | 2 m. | PA3 |
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