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Unformatted text preview: for which, coincidentally, is Y). Since 235 + 1 139 2 = 95, then the unknown isotope is 95 Y. The atomic number of Zirconium is Z = 40. Thus, 92 40 2 = 52, which means that X has Z = 52 (Tellurium). The mass number of X is 235 + 1 100 2 = 134, so we obtain 134 Te. Examining the mass numbers, we nd b = 235 + 1 141 92 = 3....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
 Fall '08
 SPRUNGER
 Physics, Mass, Neutron

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