Polonium decays by giving off an alpha particle. An alpha particle is basically just the nucleus of a helium atom which is two protons and two neutrons. Polonium has 84 protons. If it gives up two of those protons (by giving off an alpha particle) it will be left with 82 protons which means it becomes lead.
With the periodic table's atomic number 84 and the symbol Po, polonium is a chemical element.
Polonium's properties include:
The following are some applications for polonium:
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