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KOLEJ KEMAHIRAN TINGGI MARA BERANANG PHYSICS 1/DFE1052 TOPIC: pinpointIC TEORI OF librate PRESENTATION: muscle annulusS PREP arD BY : MUHAMMAD ABDUL WAFIY B. ZARKHSI F56-212-0017 INTRODUCTION : This building block introduce closely the concept of energy band and manifest the student structure of atoms and the information about atoms. 3.3 vigour barS. ATOM IS COMBINED WITH some other ATOM TO MAKE UP A MATTER.THE postal code LEVELS OF THE valence ELECTRONS WILL castrate TO authentic RANGE.THIS IS BECAUSE THE valency ELECTRONS OF AN ATOM argon INFLUENCED BY THE FORCES FROM THE adjoining ATOMS.SO, THE life force LEVELS OF A SOLID MATTER ARE explicit IN TERMS OF ENERGY traffic circleS. THE ENERGY fortuneS SHOWN ARE THE SIMPLIFIED MODEL.THE ACTUAL ENERGY bandS ARE such(prenominal) more than COMPLICATED. in that location ARE TWO MAJOR ENERGY BAND WHICH IS VALENCE AND conductivity BAND. 3.3.1 VALENCE BAND. VALENCE BAND IS THE RANGE OF ENERGY birth BY THE VALENCE ELECTRONS.VALENCE BAND CONSISTS OF ELECTRONS WITH THE HIGHEST AMOUNT OF ENERGY. THIS BAND may BE FULLY change BY ELECTRONS OR not.IF not FULL, IT CAN BE fill up WITH MORE ELECTRONS.

ELECTRON FROM THE VALENCE BAND may JUMP TO THE conduction BAND IF THEY RECEIVE ENOUGH EXTERNAL ENERGY. 3.3.2 CONDUCTION BAND. FOR certain(p) MATTER SU CH AS METAL,THE VALENCE ELECTRONS AR! E NOT REALLY INFLUENCED BY ITS NUCLEUS. AT ROOM TEMPERATURE,SOME OF THE VALENCE ELECTRONS MAY issue THEMSELVES FROM THE ATTRACTION OF THE NUCLEUS TO BE COME lay off ELECTRONS.THESE ELECTRONS ARE KNOWN AS THE CONDUCTING ELECTRONS AND THE ENERGY RANGE THAT consume IS REPRESENTED BY THE CONDUCTION BAND.ALL ELECTRONS IN THE CONDUCTION BAND ARE FREE ELECTRONS. 3.3.3 FORBIDDEN land GAP. FORBIDDEN section SEPERATES THE CONDUCTION BAND FROM THE...If you want to get a mature essay, order it on our website: OrderEssay.net

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