Write the nuclear equation for the most likely mode of decay for each unstable nuclide. b. Ra-216

Video transcript

Hey everyone, we're asked to identify the expected mode of decay and write the nuclear equation for Francie um 200. So we have francia And we have its atomic mass of 200. Looking at our periodic table, we find that its atomic number comes up to 87. Now we've learned that if our atomic mass is greater than or equal to 200, then we will have an alpha decay. So in this case since our atomic mass is 200, we will have an alpha decay as our expected mode of decay. And we're going to take our atomic massive 200 and subtract four and we end up with an atomic mass of 96. And if we subtract two from 87 we get an atomic number of 85. Now looking at our periodic table, we find that our element is going to be a statin. So this is going to be our final answer. So I hope that made sense. And let us know if you have any questions.