Two isotopes, 212X and 190Y, have protons that add up to 161. Find the names of the elements X and Y if the difference b
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Two isotopes, 212X and 190Y, have protons that add up to 161. Find the names of the elements X and Y if the difference b
Two isotopes, 212X and 190Y, have protons that add up to 161.Find the names of the elements X and Y if thedifference between the neutron counts of the isotopes is 15.