GOLD

Chemical Formula: Au

Gold has been used as a precious metal throughout the history of mankind. This is due to its resistance, beauty, rareness, and the fact that it is very easy to work with. Many exotic gold ornaments from the past have been found. Especially noteworthy are the golden ornaments from the tombs of the Pharaohs in Egypt, where gold masks, statues, coins, and much jewelry was archeologically excavated. Gold has been used for coinage throughout the centuries, and is currently accepted internationally as a standard value. Nowadays, the main use of gold is for jewelry.

Due to gold's distinctive properties as a metal, it has several industrial uses. It is used in photography, dentistry, coloring, and is currently being studied for cancer treatments.

BERYLLIUM

Chemical Formula: Be

This pure broken crystal of refined beryllium ordinarily would be melted down and turned into strong, lightweight parts for missiles and spacecraft. It is expensive and toxic, but unbeatable when cost is no object. Beryllium-containing gyroscope module. Beryllium-copper gas wrench,designed to operate various valves on natural gas equipment.

X-Ray tube with window.This is a complete x-ray tube with a chromium target and three berylium windows

NICKEL

Chemical Formula: Ni

Uses of Nickel

Making of austenitic stainless steel.

As superalloys.

In alloy steel, rechargeable batteries, catalysts, coinage, foundry products, and plating.

In armour plates and burglar-proof vaults.

Alloy alnico is used in magnets.

In crucibles for chemical laboratories.

Smart wire, or shape memory alloys are used in robotics.

Monel metal, a copper-nickel alloy being highly resistant to corrosion is used for ship propellers, kitchen supplies, and chemical industry plumbing

nichrome (nickel-chromium alloy) wire

US Nickel coin.

smartscan deadbolt satin nickel

LEAD

Chemical Formula:

Uses

The majority of the lead consumed annually is used to make batteries for cars, trucks and other vehicles, as well as wheel weights, solder, bearings and other parts. Lead is used in electronics and communications (emergency power batteries, for example), ammunition, television glass, construction, and protective coatings. A small amount is used to make protective aprons for patients having x-rays to shield the body from excess radiation exposure, for crystal glass production, weights and ballast, and specialized chemicals.

OLIVA BARRIO