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Jomama Nachos

on 10 May 2010

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Transcript of Mercury

Mercury (Hg) Rumi Handen
Carmen Costa
Christine Lee 6/8th Basic Information Atomic Number: 80
Atomic Mass: 200.59 amu
Classification of the Element: Metal
Group the Element Belongs: Transition Metal Properties of Mercury

Heavy silvery-white liquid metal
Poor conductor of heat
Fair conductor of electricity
Can alloy easily with other metals
High surface tension (when spilled, breaks into tiny beads)
Properties Continued Melting Point: 234.32 K (-38.83°C or -37.89°F)
Boiling Point: 629.88 K (356.73°C or 674.11°F)
Density: 13.5336 grams per cubic centimeter
Phase at Room Temperature: Liquid
Atomic Volume: 14.82 cm3/mol
Atomic weight: 200.59

Fantastically Fantiastic Facts About Mercury
A cannonball can float in a pool of Mercury
Mercury can be frozen into a solid metal using acetone (dry ice)
$5 per 100g
It has been found in Egyptian tombs dating back to 1500 B.C.
In the 1800's hatmakers used Mercury to treat the fur that lined the hat. It caused the hatmaker's physical deformities and made them act most oddly... Hence, the Madhatter in Alice and Wonderland.

The History of the Element Mercury Mercury was reported by greek philosopher Theophrastus in 300BC.
Mercury was found in an Egyptian tomb at Kurna, and it was kept in a small glass container.
It was named after the planet "Mercury" (the origin of the symbol Hg is the Latin word "hydrargyrum" meaning "liquid silver").
The Greeks used mercury in ointments and medicines and the Romans used it in cosmetics.
In China, India and Tibet, mercury use was thought to prolong life, heal fractures, and maintain generally good health.
By 500 BCE mercury was used to make amalgams with other metals.

Some Modern Uses for Mercury Include:

making thermometers and barometers
making diffusion pumps and mercury-vapor lamps
electric switches and batteries
ritual practices
advertising signs
dental preparations
anti-fouling paint

Thiomersal, a mercury compound, got some attention a few years ago when it was noticed as an ingredient in vaccines. This compound is still widely used in cosmetics, personal products including baby products, cleansers, topical medications, medical injections and skin prick test preparations. (used in various cosmetic and facial products)

***** BUT the usefulness of mercury is limited by its poisonous nature and scarcity. 5/7/10
Full transcript