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Transcript of Californium
7th Period Protons and electrons: 98 Neutrons: 153 The atomic weight and atomic mass are both 251. Californium is in the 7th period. It does not have a group or family number, but it is catagorized as an actinide. This element is a metal. http://education.jlab.org/itselemental/ele098.html http://www.lenntech.com/periodic/elements/cf.htm Melting Point: 1173 K (900 degrees C or 1652 degrees F) At room temperature this element is a solid. Isotopes: 10 The boiling point, density, crystal structure, and color is unknown. This element is radioactive and artificially created. http://chemistry.about.com/od/elementfacts/a/californium.htm There are 7 energy levels. Date of discovery: 1950 Discoverer: G.T. Seaborg Named for the state and university of California. Californium is a man-made element. This is an efficient neutron source. It is used in neutron moisture gauges and as a portable neutron source for metal detection. Color: Unknown, but probably metallic and silvery white or grey in appearence. http://www.webelements.com/californium/ Taste, smell, texture: Unkown Californium can be taken into the body by eating or drinking it but it is considered as a health risk because of its radiation. http://www.chemistryexplained.com/elements/A-C/Californium.html This element can be used for ovarian and cervical cancer treatment. Californium costs $10 per millionth of a gram. Which is about $27,000,000 a gram and $350,000,000,000 a pound. http://www.google.com/imgres?q=californium&um=1&hl=en&safe=active&biw=1280&bih=603&tbm=isch&tbnid=DhVgnKHxIJ_u5M:&imgrefurl=http://www.chemicalelements.com/elements/cf.html&docid=iIytbvRBXeWNRM&imgurl=http://www.chemicalelements.com/bohr/b0098.gif&w=383&h=381&ei=EmSIT5LKO8Sjgwea543sCQ&zoom=1&iact=hc&vpx=114&vpy=129&dur=110&hovh=224&hovw=225&tx=116&ty=108&sig=100704975084505287052&page=1&tbnh=127&tbnw=128&start=0&ndsp=21&ved=1t:429,r:0,s:0,i:67 http://www.google.com/imgres?q=californium&um=1&hl=en&safe=active&biw=1280&bih=603&tbm=isch&tbnid=5-_uXjVMUBht5M:&imgrefurl=http://www.123rf.com/photo_10170810_californium-periodic-table-of-elements--3d-made.html&docid=fpwU1Bbkbu4TQM&imgurl=http://us.123rf.com/400wm/400/400/fambros/fambros1108/fambros110800010/10170810-californium-periodic-table-of-elements--3d-made.jpg&w=400&h=334&ei=EmSIT5LKO8Sjgwea543sCQ&zoom=1&iact=hc&vpx=819&vpy=269&dur=234&hovh=205&hovw=246&tx=127&ty=67&sig=100704975084505287052&page=2&tbnh=133&tbnw=141&start=21&ndsp=26&ved=1t:429,r:11,s:21,i:140 Sources