iPad 9:44 PM 92% digital.wwnorton.com Smartwork5 Several Isotopes Of Curium Can

Question

iPad 9:44 PM 92% digital.wwnorton.com Smartwork5 Several Isotopes Of Curium Can Be S. Chemistry question | Chegg.com KGR. 12/06/17 bmo103@humboldt.edu CORE out of 20 e See page 927 05 Question (1 point) Several isotopes of curium can be synthesized by bombarding 239Pu with alpha particles Write a balanced nuclear equation describing the reaction that produces 241Cm 2nd attempt Feedback See Periodic Table See Hint Tip: Make sure to use the complete nuclide symbol, including both atomic number and mass number 239 241 96 1st attempt TRY /08

Explanation / Answer

239Pu has atomic number 94; therefore, we have 239Pu94. Curium has mass and atomic numbers 241 and 96, i.e, we have 241Cu96.

An alpha particle has mass 4 and atomic number and is denoted as 4He2.

The mass number increases by (241 – 239) = 2 units and the atomic number increases by (96 – 94) = 2. The mass number can increase when a neutron capture occurs while the atomic number increases when beta decay occurs. Therefore,

239 Pu94 + 4He2 ---------> 241Cu96 + 2 1n0

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