Answer Happy

(25%) Problem 4: Strontium-90 is a major waste product of nuclear reactors. 50% Part (a) Write the complete equation by dragging and dropping the appropriate terms. 90Sr 90 86 90 37- 39Rb39Rb 38 Sr 39Sr 36Rb 91 BBY 89Y 900 900 39 38 Rb 39 38 38 V 42 86Y 37 He tie Submit e Ve + Ve Feedback I give up! +
50% Part (b) Determine the energy released in units of megaelectron volts when a strontium-90 nucleus undergoes 8 decay. The mass of the electron and various atomic isotopes are given below: Atomic Mass 89.907738 u Isotope strontium-90 rubidium-86 rubidium-90 85.911167 u 89.914803 u rubidium-91 90.916538 u yttrium-86 85.914886 u yttrium-88 87.909501 u yttrium-89 88.905848 u yttrium-90 89.907152 u helium-4 4.002603 u 0.000549 u Grade Summary E-| Deductions Potential MeV electron 0% 100%