Uses of Copper Class: 5B Ko Yan Tung (8) 5D Chan Lucy (3) 5D Sit Yi Man (17)

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Presentation transcript:

Uses of Copper Class: 5B Ko Yan Tung (8) 5D Chan Lucy (3) 5D Sit Yi Man (17)

Introduction of Copper A transition element Atomic number : 29 Has a reddish-orange colour A ductile, semi-precious metal Very high thermal and electrical conductivity Soft and malleable A conductor of heat and electricity

Electrical Applications 65% of copper produced is used Excellent conductor of electricity Cheap Corrodes very slowly Ductile Power generation and transmission

Construction 25% of copper produced is used for plumbing, roofing and cladding light, durable maintenance-free structures naturally good looking, long lasting and fully recyclable hygienic surfaces for hospitals and healthcare facilities

Transport Trains, trams and cars High purity copper wire harness system lights, central locking, on-board computers and satellite navigation systems Electric super trams in cities Overhead contact

Antibacterial Antibacterial effects Surfaces Reduce the spread of disease

Coins The European Union United States United Kingdom Australia New Zealand

Industrial Uses Third in the amount of quantities consumed Watt's steam engine firebox Wood preservative Helps in restoration of original structures

Commodity Doorknobs Other fixtures in the house Frying pans Knives Forks Spoons

Living Animals Essential nutrient Present in tissues in animals Co-factor in various enzymes Copper based pigments Improving the elastic fiber in skin Increasing the skin flexibility Help reduce pre-mature grayness of hair.