POTASSIUM

Vinya 7.4

POTASSIUM

Atomic Number: 19

Symbol: K

Atomic Weight: 39.0983

POTASSIUM

Melting Point: 63.25C

Boiling Point: 760C

DESCRIPTION Potassium is a:

Light – soft

Silvery - white color

It reacts violently in water

ABOUT POTASSIUM Potassium is not found in free nature.

It was the first metal isolated by electrolysis

Potassium (Potash) is mined in Germany, Utah, California, and New Mexico

It is an alkali metal

ABOUT POTASSIUM

Do we need potassium?

We need Potassium for our body, Potassium is responsible for our heart beating and the

movement of our muscle. It is for fluid balance in our body.

ABOUT POTASSIUM The minimum amount of

potassium we should consume per day is 2000 mg

This can easily be obtained by eating vegetables and fruits

Do not consume Potassium from salt such as Potassium Chloride, it can be dangerous for our life

These are some food with high amounts of potassium:

Bananas Milk Avocados Oranges Fish Dry Beans Peanut Butter Cantaloupe Mushrooms Spinach Potatoes Watermelon http://startupblog.files.wordpress.com/2009/04/banana1.jpg

DISCOVERY Potassium was discovered by a British

scientist, Sir Humphry Davy in 1807. He describe Potassium as…when it was

thrown into water, "skimmed about excitedly with a hissing sound, and soon burned with a

lovely lavender light.“

http://www.edu.xunta.es/contidos/premios/p2004/b/viaxar/images/davy.jpghttp://farm1.static.flickr.com/6/8633615_6e0cac031a.jpg

http://margotmystic.files.wordpress.com/2008/09/magnifying-glass.jpg

http://www.ptable.com/Images/periodic%20table.png

Where Is Potassium in this table???

Where Is Potassium in this table???

What’s the picture that represent Potassium???

http://margotmystic.files.wordpress.com/2008/09/magnifying-glass.jpg

http://i71.photobucket.com/albums/i155/eafalbum/PeriodicTable.jpg

PICTURE GALLERY

http://www.liboxgoa.com/images/Potassium-permanganate-sample-full.jpghttp://image18.webshots.com/18/6/30/72/194163072zjzXGl_ph.jpg

http://upload.wikimedia.org/wikipedia/commons/6/66/PotassiumFeldsparUSGOV.jpg

USES OF

POTASSIUM

USES OF POTASSIUM The Common use of Potassium:

Fertilizer Glass Soap Substitute for table salt Medical Fertilizers Gunpowder Potassium nitrate, chloride & permanganate

fruits and vegetables. Bombs underwater

http://www.icmag.com/gallery/data/500/1134potassium-deficiency1.jpg

FUN FACTS The only metal that is lighter than Potassium

is Lithium

http://z.about.com/d/chemistry/1/0/f/3/1/Lithium_paraffin.jpg

LithiumPotassium

http://wiki.chemeddl.org/images/6/6d/PotassiumE.jpg

OTHER FACTS Potassium has a lot of different types:

Potassium Chlorate - is used to make fireworks and explosives

Potassium Nitrate – is the main component in gun powder

Potassium Bromide - has photographic uses.

Potassium Iodide is used to make medicine

BIBLIOGRAPHY http://www.buzzle.com/img/articleImages/266654-1072-2.jpg

“Facts about Potassium.” 25 April 2010 . http://www.facts-about.org.uk/science-element-potassium.htm

Helmenstine, Anne Marie. “Potassium Facts.” About.com. 25 April 2010 http://chemistry.about.com/od/elementfacts/a/potassium.htm

“Major uses of potassium.” 25 April 2010. http://www.bishops.k12.nf.ca/science/chem/potass/untitled10.html

“Potassium.” 25 April 2010. http://www.ucc.ie/academic/chem/dolchem/html/elem/elem019.html

“What is potassium and its uses.” 25 April 2010. http://www.essortment.com/all/whatispotassiu_rrjp.htm

25 April 2010 http://wordnetweb.princeton.edu/perl/webwn?s=potassium

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