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Basic information!Name, symbol and number : Gold, Au,79 Element category: A transition metalLatin Name : Aurum Properties: Gold is dense, soft , shiny therefore solid, and the most malleable and ductile pure metal known .Facts : Gold has been know and highly valued since prehistoric times. It may have been the first metal used by humans and was valued for ornamentation and rituals.Gold's alloys : For most uses of gold the pure metal is too soft on its own and is therefore hardened by the addition of alloying elements, copper, silver, nickel, palladium and zinc. Gold is of course yellow and the various colours seen such as red, white and green are simply alloys of gold. The final colour is dependent on the ratios and type of alloys added.

Gold

Different colours of Ag-Au-Cu alloys

Gold’s alloys include sliver and copper.

Uses for gold!•Jewellery –earings,rings, •Dental- Gold teeth•Financial- Money•Electronics-phones•Medical-operations•Computers-memory boards•Glass-en grave ments•Aerospace-satellite•Awards-medals etc•Gliding-Domes.

Basic Information.Name, Symbol, Number: Aluminium,Al,13Element category: Other MetalProperties : Solid, good conductor for electricity and heatFacts : The most abundant metal in Earth’s crust.Aluminium is a soft, durable, lightweight, malleable metal with appearance ranging from silvery to dull grey, depending on the surface roughness.Aluminium’s alloys : Copper,zinc,manganese,silicon and magnesium.

AluminiumAluminium can be recycled

Aluminum's alloys

Military uses e.g planes etc.

Cooking utensils

Food and drink packaging

Electrics.

Buildings

Uses !!