Question

Some important topics of structure of atom of11thclass

Answer 1

Important Topics:

1. Classification of matter

2. SI unit of various physical quantities

3. Scientific notations and mathematical operations

4. Significant figures (precision and accuracy)

5. Dimensional analysis

6. Laws of chemical combination and Dalton’s theory

7. Atomic and molecular masses

8. Mole concept and molar masses

9. Empirical formula

10. Percentage composition

11. Limiting reagents

12. Different formulae to express volume of solution

a) Mass percentage

b) Mole fraction

c) Molarity

d) Molality