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Radioactive Decay - Nuclear Reactions Alpha Beta and Gamma...

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Nuclear Reactions Alpha, Beta, and Gamma Decay
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CS 4.2 CS 4.3 State what is meant by alpha, beta and gamma decay of radionuclides. Identify the processes occurring in nuclear reactions written in symbolic form.
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The Atom The atom consists of two parts: 1. The nucleus which contains: 2. Orbiting electrons. protons neutrons
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All matter is made up of elements (e.g. carbon, hydrogen, etc.). The smallest part of an element is called an atom. Atom of different elements contain different numbers of protons. The mass of an atom is almost entirely due to the number of protons and neutrons. The Atom
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X A Z Mass number Atomic number Element symbol = number of protons + number of neutrons = number of protons
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X A Z A = number of protons + number of neutrons Z = number of protons A – Z = number of neutrons Number of neutrons = Mass Number – Atomic Number
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U 235 92 U 238 92 There are many types of uranium: A Z Number of protons Number of neutrons A Z Number of protons Number of neutrons
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U 235 92 U 238 92 There are many types of uranium:
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