# 51 By Vinnie	" To make the lead harder and stronger use Antimony."
Facts Uses History Properties Sources Glossary Bibliography	Facts: Atomic mass Melting point Boiling point Crystal structure Density Color 5 energy levels nuetrons electrons protons 121.75 1166.0 F 3182.0 F #Rhombohedral 6.684 Bluish 1st 2, second 8,third18, fourth 18, fifth 5. 71 51 51
Uses: Anitmony hardens lead bullets, so the bullets don't fall apart in mid air from the force that is pushing it. The antimony can be find in the bearings of skateboards.		Properties: Antimony is a poor conductor of heat and electricity. Antimony is toxic, and many of its compounds are to.
Sources: It's not abundant, but is found in over a 100 mineral species. It's some times found native, but more frequently as the sulfide stibnite.		History: Antimony was found by the ancients in a compound, and was known as a metal in the begging of the 17th century. Most of the history of Antimony was only known to the ancients.
Glossary Abundant: Occurring in or marked by abundance; plentiful Frequently: Many times; often; repeatedly; commonly. Conductor: A substance or medium that conducts heat, light, sound, or especially an electric charge. Rhombohedral: A prism with six faces, each a rhombus.
Bibliography Pic #1 http://graphics.stanford.edu/~levoy/ Pic # 2 http://is2.dal.ca/~dommelen/Westgore.html Info: www.superdeluxe.com/elemental/ www.chemicool.com www.chemicalelements.com www.ull.chemistry.uakron.edu/periodic_table/ www.pearl1.lanl.gov/periodic/default.html www.webelements.com/webelement/scholar/index.html Glossary:www.dictionary.com Text: www.flamingtext.com