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If the nucleus has too much energy and wants to move to a more stable lower energy state, we might see gamma decay , which is a type of radioactive decay where a gamma ray is emitted. Unlike alpha and beta decay, this type of decay does not release a particle. Once this is done, students have some post questions they are given that they should record in their science notebook.

Therefore, the number of protons or neutrons within a nucleus does not change, but energy is released, allowing the nucleus to reorganize itself into a more stable state. Adapted from: The first post question caused some confusion: Why didn't each group get the same results?

To be more specific, it is a method used to date rocks based on the known decay rate of radioactive isotopes that are found within the rocks. Students should have some prior knowledge of rocks and how they are dated.An alpha particle is two protons and two neutrons bound together, which is the same as a helium nucleus. Register to view this lesson Are you a student or a teacher? Once students are in their groups, with supplies, and general directions are given, they are on their own for doing their runs. Once they are finished with their 8 runs, they will record their data on the class data table which can be on the board.If we have a nucleus where the neutron-to-proton ratio is too great, we might see beta decay , which is a type of radioactive decay where a beta particle is emitted. We have over college courses that prepare you to earn credit by exam that is accepted by over 1, colleges and universities. Once all groups data is on the table, you can calculate the average for each run and determine a class average.So let's zoom into this nucleus and take a look at the beta decay process.Inside this nucleus, we see protons and neutrons, but let's say one of these neutrons is feeling as if things would be more stable if it could turn into a proton.

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