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98 Cf [251] Californium

98 Cf [251] Californium. Mrs King February 23, 2010 Period 1, 2, 3, 4 & 6 Table # 1-9. Atomic #. 98 Cf [251] Californium. Atomic Symbol. Atomic Mass. Element Name. Position in the Periodic Table. Part of the Transition Metals Located in the Actinide Section No specific group number

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98 Cf [251] Californium

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  1. 98Cf[251]Californium Mrs King February 23, 2010 Period 1, 2, 3, 4 & 6 Table # 1-9

  2. Atomic # 98 Cf [251]Californium Atomic Symbol Atomic Mass Element Name

  3. Position in the Periodic Table • Part of the Transition Metals • Located in the Actinide Section • No specific group number • Belongs to period 7

  4. Similarities to it’s family members • This is the hard part!!! Get it done..

  5. Differences from the elements in the same period - 7 • This is the hard part!!! Get it done..

  6. Physical Properties • Melting Point - 1173 K • Boiling Point - Unknown • Density - Unknown • Radioative • Solid at Room Temperature

  7. Chemical Properties • Made by bombarding curium with helium ions. • World production is only around a few grams per year.

  8. Pictures of Californium This picture shows a very small amount of the radioactive Californium This is the Bohr Model of Californium, notice 7 orbitals with only 2 valence electrons.

  9. Cool Information • Named for the State & University of California. • The scientists produced it in 1950 at California State, Berkeley • World production is only around a few grams per year. • It is used in nuclear research as a source of fission fragments.

  10. References • http://education.jlab.org/itselemental/ele098.html • http://chemistry.about.com/od/periodictableelements/ig/Element-Photo-Gallery.--98/Californium.htm • //www.flw.com/datatools/periodic/002.php?id=98 • http://environmentalchemistry.com/yogi/periodic/Cf.html

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