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Radium: The Radioactive Element

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sarah bryson

on 31 October 2012

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Transcript of Radium: The Radioactive Element

Radium was discovered by Marie and Pierre Curie in 1898
They discovered Radium when researching a mixture of elements called pitchblende. brown black mineral that contains amounts of both Radium and Uranium. Pitchblende When researching Uranium, the Curies discovered that even when the Uranium was completely extracted, pitchblende was still more radioactive. Radium: The Radioactive Element Radium symbol is Ra
atomic number is 88
atomic mass is 226
there are no stable isotopes
alkaline earth metal
Radium is a solid at room temperature
boiling point is 1500 degrees Celsius.
melting point is 700 degrees Celsius.
density is 5.5 grams per centimeter cubed.
Radium is a silvery white color with a luminescent glow.
Because Radium is so radioactive, the texture and hardness of the element can not be determined. Uses for Radium Medicine used to treat malignant growths such as cancer.
can also be used for x-rays; however, because Radium is so expensive it is rarely the primary ingredient. Watches Because of Radium's luster, William J. Hammer mixed Radium with zinc sulfide which created and paint like mixture with a luminous glow. Because of the devastating affects radio luminescent paint has on your body, this paint has not been used on watches since 1968. lightning rods Radium is used on the tips of lightning rods to improve effectiveness. works cited "Radium." WebElements Periodic Table of the Elements. N.p., n.d. Web. 28 Oct. 2012. <http://www.webelements.com/radium/>.
"Radium Element Facts." Radium. N.p., n.d. Web. 28 Oct. 2012. <http://www.chemicool.com/elements/radium.html>.
Sengupta, Saptakee. Buzzle.com. Buzzle.com, 22 Dec. 2011. Web. 28 Oct. 2012. <http://www.buzzle.com/articles/radium-uses.html>.
"PitchblendeAbout Our Definitions: All Forms of a Word (noun, Verb, Etc.) Are Now Displayed on One Page." Merriam-Webster. Merriam-Webster, n.d. Web. 28 Oct. 2012. <http://www.merriam-webster.com/dictionary/pitchblende>.
"Radium." HowStuffWorks. N.p., n.d. Web. 28 Oct. 2012. <http://science.howstuffworks.com/radium-info.htm>.
"Radioluminescent Paint." Radioluminescent Paint. N.p., n.d. Web. 28 Oct. 2012. <http://www.orau.org/ptp/collection/radioluminescent/radioluminescentinfo.htm>.
"Marie Curie: Discovery of Radium - BRIEF Exhibit." Marie Curie: Discovery of Radium - BRIEF Exhibit. N.p., n.d. Web. 28 Oct. 2012. <http://www.aip.org/history/curie/brief/03_radium/radium_2.html>.
http://images-of-elements.com/radium.jpg
http://periodictable.com/Elements/088/index.html
"Radioactive Clip Art." - Vector Clip Art Online, Royalty Free & Public Domain. N.p., n.d. Web. 28 Oct. 2012. <http://www.clker.com/clipart-radioactive.html>.
"Radiography by Phil Gee." Radiograph. N.p., n.d. Web. 28 Oct. 2012. <http://philipgee.com/X-ray-01.html>.
"Furniture Interior and Exterior Design: Lightning Rod Protect Your Home from the Storm and Lightning." Furniture Interior and Exterior Design: Lightning Rod Protect Your Home from the Storm and Lightning. N.p., n.d. Web. 28 Oct. 2012. <http://myfurnidesign.blogspot.com/2012/03/lightning-rod.html>.
"Radioactivity." ThinkQuest. Oracle Foundation, n.d. Web. 29 Oct. 2012. <http://library.thinkquest.org/17940/texts/radioactivity/radioactivity.html>. Radioactivity spontaneous disintegration of the nucleus Alpha rays: nucleus releases 2 protons and 2 neutrons (He nucleus) Beta rays: electrons are emitted from atom Gamma rays: no charge, but they result in a loss of radiant energy
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