Ch 4 Chemistry Class 9
Important easy to understand Notes of Ch 4 Chemistry Class 9 English Medium written by Professor Sulman Arif Suib. These notes are very helpful in the preparation of Chemistry for students of the 9th class Chemistry English Medium and these are according to the paper patterns of all Sindh Book Boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- What are Valence Electrons? What is meant by octet and duplet rule?
- Define Chemical Bond. Name the types of Chemical bond.
- What do you know about cation and anion.
- Define Ionic Bonds. Explain if with two examples.
- Define Covalent bond. Discuss the types of covalent bond with example.
- Describe the formation of single covalent bond. With a suitable example
- Describe the formation of double covalent bond. With a suitable example
- Describe the formation of triple covalent bond. With a suitable example.
- Distinguish polar and non-polar bond.
- What is coordinate covalent bond or Dative Covalent bond? Discuss it with an example.
- Define the following (i) Acceptor (ii) Donor (iii) intermolucular forces
- Define Dipole-dipole interaction also give the formation with an example
- Define hydrogen bonding also give the formation with an example
- Write some properties of ionic compounds.
- Write some properties of covalent compounds.
- Write some properties of Non-polar compounds.
- Write some properties of polar compounds
- Write some properties of metals.
- Write uses of adhesive material.
- Draw dot and cross diagrams to show how different types of chemical bonds are formed when fluorine reacts with hydrogen and potassium?
- Multiple Choice Questions (MCQs) of Ch 4 Chemistry Class 9.