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Minerals and Ore in Computer Circuitry

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by

Kristoffer De Guzman

on 11 August 2016

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Transcript of Minerals and Ore in Computer Circuitry

SILICON
It is a non-metallic element occurring extensively in the earth's crust in silica and silicates, having both an amorphousand a crystalline allotrope.

What are the Physical Properties of Silicon?

What are the Chemical Properties of Silicon?

GOLD
It is the first element recognized by man as a metal. Ancient Egypt was the principal gold producing country and maintained that status until ca. 1500 BC. Gold has been valued since ancient times because of its color, its occurrence in the native state, and its non-tarnishing properties.

It was established as the standard for currency by Newton in 1717 when he was Master of the Mint in London.

Physical and Chemical Properties
Gold is one of the metals that can be prepared readily to the highest purity 99.99+% and is the most ductile of all metals.

It can be cold drawn to give wires of less than 10 mm diameter, and beaten into gold foil with a thickness of 0.2 mm.

Because of its softness, gold can be highly polished. Very thin gold foil is translucent; transmitted light appears blue-green.

SILVER
It is a lustrous white, ductile, malleable metallic element, occurring both un-combined and in ores such as argentite, having the highest thermal and electrical conductivity of the metals.

to be continued
Minerals and Ore in Computer Circuitry
Group 2
What are minerals?
Minerals are defined as solid, inorganic, naturally occurring substances with a definite chemical formula and general structure

GROUP 2
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