Naturally occuring radioactive elements undergo successive transformations until stable nonradioactive isotopes are produced. When graphing these transformations, a diagonal arrows represents alpha emission. A vertical line represents beta emission.
*SEE TEACHER FOR GRAPH PAPER*
1. In its decay to lead-208, (thorium-232) transmutes according to the following steps:
232Th 228Ra 228Ac 228Th 224Ra 220Rn 216Po
212Pb 212Bi 208Tl 208Pb
Use this information and two blank grids to draw the thorium-232 series according to two different methods. On one graph the x axis should be the mass number and the y axis the atomic number. On the other graph the x axis should be the atomic number and the y axis should be the mass number.