2. Properties The atomic number: 61 Atomic mass: 145 The melting and freezing points: unknown Neutrons: 84 Has thickness gauges Uses Can be used as an X-ray unit Sometimes useful for heat Also can provide auxiliary power for space and satellites Used to make light into electrical current Obtained from products of Uranium, Thorium, Plutonium

3. Cool and Interesting Facts About Promethium Discovered: 1945 Discovered by: J.M. Marinsky Promethium means from the god Prometheus, “he stole fire of the sky and gave it to mankind” Found in minerals by Harris and Hopkins, but very rarely found Harris and Hopkins found this in the U.S.

4. Promethium Facts Properties Origin Uses Makes light X-ray unit Power for space Heat source Discovered:1945 Found in U.S. By: J.M. Marinsky Harris and Hopkins found Atomic number:61 Atomic mass:145 Neutrons:84 Melting and freezing: unknown Found in minerals Made Light into current Named after a god Very rare

5. Sources www.google.com http://chemistry.about.com/libra ry/blper5.htmhttp://chemistry.about.com/libra ry/blper5.htm http://www.chemicalelements.c om/ihttp://www.chemicalelements.c om/i http://www.magicdragon.com/Ul timateMystery/perPm.htmlhttp://www.magicdragon.com/Ul timateMystery/perPm.html The Element PromethiumThe Element Promethium www.google.com http://chemistry.about.com/libra ry/blper5.htmhttp://chemistry.about.com/libra ry/blper5.htm http://www.chemicalelements.c om/ihttp://www.chemicalelements.c om/i http://www.magicdragon.com/Ul timateMystery/perPm.htmlhttp://www.magicdragon.com/Ul timateMystery/perPm.html The Element PromethiumThe Element Promethium www.google.com http://chemistry.about.com/libra ry/blper5.htmhttp://chemistry.about.com/libra ry/blper5.htm http://www.chemicalelements.c om/ihttp://www.chemicalelements.c om/i http://www.magicdragon.com/Ul timateMystery/perPm.htmlhttp://www.magicdragon.com/Ul timateMystery/perPm.html The Element PromethiumThe Element Promethium www.google.com http://chemistry.about.com/libra ry/blper5.htmhttp://chemistry.about.com/libra ry/blper5.htm http://www.chemicalelements.c om/ihttp://www.chemicalelements.c om/i http://www.magicdragon.com/Ul timateMystery/perPm.htmlhttp://www.magicdragon.com/Ul timateMystery/perPm.html The Element PromethiumThe Element Promethium www.google.com http://chemistry.about.com/libra ry/blper5.htmhttp://chemistry.about.com/libra ry/blper5.htm http://www.chemicalelements.c om/ihttp://www.chemicalelements.c om/i http://www.magicdragon.com/Ul timateMystery/perPm.htmlhttp://www.magicdragon.com/Ul timateMystery/perPm.html The Element PromethiumThe Element Promethium www.google.com http://chemistry.about.com/libra ry/blper5.htmhttp://chemistry.about.com/libra ry/blper5.htm http://www.chemicalelements.c om/ihttp://www.chemicalelements.c om/i http://www.magicdragon.com/Ul timateMystery/perPm.htmlhttp://www.magicdragon.com/Ul timateMystery/perPm.html The Element PromethiumThe Element Promethium