'Copper atom' diaporamas de présentation

Chapter 1 INTRODUCTION TO SEMICONDUCTORS MATERIAL

Chapter 1 INTRODUCTION TO SEMICONDUCTORS MATERIAL. Prepared By: Mrs Nur Baya Binti Mohd Hashim School of Computer and Communication Engineering UNIMAP. Objectives. Discuss basic structures of atoms. Discuss properties of insulators, conductors, and semiconductors.

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Early Atomic Theories

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Oxidation and Reduction

Oxidation and Reduction. Historically. Oxidation was defined as the addition of oxygen to a substance Eg . when coal was burned C + O 2 CO 2 or the rusting of iron 4Fe + 3O 2 2Fe 2 O 3.

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Chapter 2

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Lesson 2

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fig_18_04

fig_18_04. fig_18_04. 18.1 (a) Compute the electrical conductivity of a 5.1-mm diameter cylindrical silicon specimen 51 mm long in which a current of 0.1 A passes in an axial direction. A voltage of 12.5 V is measured across two probes that are separated by 38 mm.

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Demonstration that the colour of a transition metal is the result of a partially filled d-orbital

Demonstration that the colour of a transition metal is the result of a partially filled d-orbital. Copper(I) ion - colourless. Copper(II) ion - blue.

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