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Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Introduction of valency | In this theory, we will learn the basic information about valency. |
| 2. | Valency in terms of atoms | In this theory, we will learn the basic information about valency in terms of atoms. |
| 3. | Valency in terms of chlorine and oxygen | In this theory, we will learn about valency in terms of chlorine and oxygen. |
| 4. | Variable valency | In this theory, we will learn about the metals variable valency. |
| 5. | Introduction of ions | This theory aims to explain the ions and their various types. |
| 6. | Classification of ions | In this theory, we will learn the basic information about the classification of ions. |
| 7. | Characteristics of various valent ions | In this theory, we will learn about various valent ions. |
| 8. | Chemical or molecular formula | This theory talks about the chemical or molecular formula of compounds. |
| 9. | Chemical compounds naming | In this theory, we will learn how to name the chemical compounds. |
| 10. | Chemical Equation | This theory introduces the concept of the chemical equation. |
| 11. | Balancing chemical equation | In this theory, we will learn how to balance the chemical equation |
| 12. | Law of conservation of mass | In this theory, we will learn about the law of conservation of mass. |
| 13. | Law of constant proportions | In this theory, we will learn about the law of constant proportions. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Valency: Choose the best answer | 1st type - receptive | easy | 2 m. | Analyse the statements about atomic structure. |
| 2. | Match the name with anions | 1st type - receptive | easy | 4 m. | Match the following based on the topic anions. |
| 3. | Chemical equation: fill in the blanks | 1st type - receptive | easy | 3 m. | Fill in the blanks with the correct answer in the chemical equation. |
| 4. | True or false about valency | 1st type - receptive | easy | 3 m. | Practise questions based on valency and ions. |
| 5. | Drag and drop: types ions | 2nd type - interpretation | medium | 4 m. | Think before your selecting answers about the classification of ions. |
| 6. | Match: Chemical names and formula's | 2nd type - interpretation | medium | 4 m. | Exercise-based on chemical names and formulaes of the compounds. |
| 7. | Ion and their symbols | 2nd type - interpretation | medium | 8 m. | Practise to choose the correct answer for the given options. |
| 8. | Drag the correct cations | 2nd type - interpretation | medium | 4 m. | Drag the ions in the following based on the topic cations. |
| 9. | Match the following: Valency and ions | 2nd type - interpretation | medium | 6 m. | Practise to choose the correct name for the given formula. |
| 10. | Answer the following: Valency | 3rd type - analysis | hard | 4 m. | Answer the following questions related to the basics of atomic structure. |
| 11. | Arrange the ions into their valency | 3rd type - analysis | hard | 6 m. | Practise questions based on monovalent, divalent, trivalent ions. |
| 12. | Variable cations and their symbols | 3rd type - analysis | hard | 6 m. | Exercise based on the variable cations and their symbols. |
| 13. | Word matching: Ions | 3rd type - analysis | hard | 4 m. | Analyse the statements about introduction to ions and valency. |
| 14. | Variable valency | 3rd type - analysis | hard | 6 m. | Exercise based on monovalent, divalent, trivalent ions. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Chemical formula and names | Other | medium | 4 m. | Practise questions based on chemical formula and names. |
| 2. | Book back one mark questions | Other | medium | 4 m. | Practise questions based on atomic structure. |
| 3. | Book Back: Match the following | Other | medium | 4 m. | Analyse the statements about introduction to ions and valency. |
| 4. | Book back: Short and long answer question | Other | medium | 9 m. | Write short and long notes on the following questions and answers. |
| 5. | Balancing the chemical equation | Other | medium | 1 m. | This object contains answer the following questions from TN book back exercises about atomic structure. |
| 6. | Valence electrons | Other | easy | 1 m. | Analyse the statements about atomic structure. |
| 7. | Divalent | Other | hard | 1 m. | Practise questions based on monovalent, divalent, trivalent ions. |
Tests
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Training Test | 00:15:00 | medium | 11 m. | |
| 2. | Training Test II | 00:30:00 | medium | 17 m. |
Periodic assessments
| Number | Name | Recomended time: | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Homework Test | 00:20:00 | medium | 8 m. | |
| 2. | Homework Test II | 20:00:00 | medium | 17 m. | |
| 3. | Progress Test | 00:30:00 | medium | 7 m. | |
| 4. | Progress Test II | 00:30:00 | medium | 16 m. | |
| 5. | Periodic Assessment | 00:10:00 | medium | 6 m. | PA 2 |
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