1. By Andrew

2. What are Isotopes? Isotopes are types of atoms with a different amount of neutrons in the nucleus than other atoms of the same element. Although there are different amount of neutrons in the nucleus, the element of the atom will remain the same.

3. Diagram: In the diagram, the only difference between the atoms is the amount of neutrons they each have. Everything else remains the same. This is an example of an isotope.

4. Unstable Isotopes  Unstable Isotopes decay over time  Some Unstable Isotopes decay into different elements  Some Unstable Isotopes are radioactive

5. Radio Active Isotopes This is an example of a radioactive isotope. The atom is known as Hydrogen-3 or Tritium. Radio Active Isotopes are nicknames “Radioisotopes.” There are over 3800 radioisotopes Only 200 of these Radioisotopes are used daily Radioisotopes can be used for medicinal purposes Most radioisotopes are manufactured in a lab

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7. Works Cited  http://www.radiochemistry.org/nuclearmedic ine/radioisotopes/01_isotopes.shtml http://www.radiochemistry.org/nuclearmedic ine/radioisotopes/01_isotopes.shtml  http://www.geog.ucsb.edu/~williams/Isotope s.htm http://www.geog.ucsb.edu/~williams/Isotope s.htm