Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Atomic Mass, Molecular Mass & Chemical Formulae | This theory explains the basic concepts of Atomic Mass, Molecular Mass & Chemical Formulae |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Mass number | Other | easy | 3 m. | This exercise has three questions with which the student could able find the mass number of the element. |
| 2. | Molecular mass | Other | medium | 2 m. | This exercise consists of two - one mark questions with which the students able to find the molecular mass of a ccompound. |
| 3. | Formula unit mass | Other | medium | 3 m. | This exercise has three - one mark questions with which the student is able to find the formula unit mass of the given compound. |
| 4. | A&R - Molecular mass | Other | hard | 1 m. | Thix exercise consists of an Assertion and reason type question based on molecular mass and formula unit mass. |
| 5. | Valency and charge | Other | easy | 1 m. | This exercise consists of a mcq type question with which the student able to answer the charge and the valency of an element. |
| 6. | A&R- Valency | Other | medium | 1 m. | This exercise consists of an assertion and reason type question with which the student be able to understand the concept of valency. |
| 7. | Chemical formula - I | Other | medium | 1 m. | In this exercise, with the help of the given ions and valency, the student should answer a question with a chemical formula. |
| 8. | Chemical Formula - II | Other | medium | 2 m. | This exercise consists of two questions with which the student finds the chemical formula of both the compounds given. |
| 9. | Ions and compounds | Other | medium | 3 m. | This exercise contains a three mark question with which the student fill up the blanks with suitable answers based on the definitions of cation,anion,ionic compound and covalent compound |
| 10. | Ions - II | Other | medium | 4 m. | This exercise consists of four questions with which the student should find the type of ion as well as the charge on the ion. |