CHAPTER 1 :INTRODUCTION TO CHEMISTRY

CHAPTER 2 : ATOMIC STRUCTURE

CHEMISTRY FORM 4LESSON 3

CHAPTER 2 : ATOMIC STRUCTURE

2.1 MATTER

Chapter 1 : Introduction to Chemistry

Definition of chemistry : Chemistry is the studies of chemical composition and properties of substances and various elementary form of matter.

Examples in application of chemistry in our daily life Uses of medicine to fight diseases and illness to prolong our Uses of medicine to fight diseases and illness to prolong our

life.

Uses of pesticide and fertiliser to increase the crops yield

Uses of preservative to prolong the life of foods

Uses of polymers to produce synthetic fiber, cloth and pails

Uses of building materials such as cement, concrete and glass

1. Doctor using various type of medicine

to cure sick people

2. Chemical

Engineer

Develop techniques to

separate the natural resource

such as petroleum and fuel

3. Environmentalist Research on various ways to

protect the environment. To

preserve and prevent the green

from being destroyed.

4. Chemist Research on various type of

chemical reaction like paint,

making glass and so on, for a

more economical option.

5. Lecturer Educate humans with

chemistry knowledge so that

students may be able to come

up with their own invention.

6. Nutritionist Study the effect of various

types of foods and

supplementary so human can

live in a healthier way

Example of report writing

CHAPTER 2 : Electronic Structure of Atommass space

Potassium, KSodium, NaSilver, AgCopper, Cu

Nitrogen , N2Oxygen, O2Ammonia, NH3Glucose,C6H12O6

Lithium ion, Li+

Aluminium ion, Al3+

Fluoride ion, F-

Sulphate ion, SO42-

high low

tiny discrete

random, constant

2.1 Experiment of Diffusion

Very strong weak Very weak

Cannot move, can rotate and vibrate

Can move, rotate and vibrate freely

Can move, rotate and vibrate freelyrotate and vibrate and vibrate freely and vibrate freely

Low High Very high

Fixed Follow its container Follow its container

Low Average High

Melting Boiling

Freezing Condensation