1. MERCURY Hg 80 200.59

2. Properties and Uses of MERCURY  Properties- Mercury is a silvery white metal  The valence is usually 1 or 2  The gravity is 13.546 (20*C)  The melting point is -38.842*C  The boiling point is 356.58*C  Mercury is used to make thermometers and barometers  Mercury can also be used in advertising signs  It is also used for mercury switches  In some cases it is used to make batteries  It is also important in industry, like for making chlorine production  It is used to make fluorescent lamps

3. How and where Mercury came from  Mercury was named after the planet Mercury the symbol Hg came  Mercury was named after the planet Mercury the symbol Hg came from the Latin word hydargyrgum which means a silver metal   You can find Mercury in the Earth’s crust, and in the ocean   Also it is sometimes in the human’s body

4. Interesting Facts about Mercury  Mercury is very poisonous in any form  It is the only liquid- metal at normal temperatures.  It is a rather poor conductor of heat.  It is a good conductor of electricity.

5. A Poem about Mercury Mercury is everywhere. It is even in the Earth’s atmosphere. Also it is in the wide open air. It’s used to fertilize seed corn years. It has been known to Greeks for lots of years. It is poisonous so people have lots of fears! Mercury helps to light the streets. It is also in the food we eat. Mercury is used in thermometers. Even in barometers. So this is why Mercury helps us everyday!

6. URLs  http://www.webelements.com/webelements/ scholar/elements/periodic-table/uses.html http://www.webelements.com/webelements/ scholar/elements/periodic-table/uses.html http://www.webelements.com/webelements/ scholar/elements/periodic-table/uses.html  http://chemistry.allinfoabout.com/periodic/pe riodictable.html http://chemistry.allinfoabout.com/periodic/pe riodictable.html http://chemistry.allinfoabout.com/periodic/pe riodictable.html  http://chemistry.about.com/library/blper5.htm http://chemistry.about.com/library/blper5.htm  http://www.chemicool.com/ http://www.chemicool.com/  http://www.chemsoc.org/viselements/pages/ pertable_fla.htm http://www.chemsoc.org/viselements/pages/ pertable_fla.htm http://www.chemsoc.org/viselements/pages/ pertable_fla.htm