Download - Chemistry Form 4 Chp2
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CHAPTER 1 :INTRODUCTION TO CHEMISTRY
CHAPTER 2 : ATOMIC STRUCTURE
CHEMISTRY FORM 4LESSON 3
CHAPTER 2 : ATOMIC STRUCTURE
2.1 MATTER
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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
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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
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Example of report writing
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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-
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high low
tiny discrete
random, constant
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2.1 Experiment of Diffusion
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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