Stupid vocabulary
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| Protons | The largest part of an atom, it has a positive electrical charge
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| Neutrons | The heaviest part of an atom, it has no electrical charge
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| Electrons | Part of an atom that has has a negative electrical charge
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| Nucleus | The center of an atom, containing protons and neutrons
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| Atomic Number | The number of protons in an atom
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| Vast Majority | The number of electrons in an atom
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| Radioactive | When an atom has too many or too few neutrons and generates energy
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| Mass number | The sum of the number of neutrons and protons in the nucleus of an atom
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| Isotopes | Two or more atoms that have the same number of protons but different number of neutrons
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| Element | A collection of atoms that all have the same number of protons
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| Periodic Chart of Elements | An organized chart that groups atoms in terms of howmany protons they have
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| Bohr orbits | The different orbits electrons can occupy in the Bohr model of an atom
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| Energy levels | The different orbits of a Bohr atom
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| Electron shells | The orbits of the Bhor atom the act like shells around it
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| Radioactivity | The process which weak force governs
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| Pions | Tiny particles that protons and neutrons exchange to stay attracted to eachother
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| Radioactive Isotope | An atom who's nucleus is not stable
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| Radioactive decay | When a nucleus decays so an atom can become stable
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| Beta decay | The process by which a neutron turns into a proton by emission of an electron
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| Daughter product | The result of Beta decay
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| Beta particle | The electron produced from beta decay
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| Alpha decay | When radioactive isotopes release alpha particles instead of beta particles
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| Apha particle | The nucleus of a helium atom
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| Gamma decay | When a radioactive isotope becomes stable by emitting gamma rays
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| Gamma ray | A high energy photon
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| Half life | The time it takes for half of the riginal sample of a radioactive isotope to decay
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| Radioactive dating | A means of dating objects whose age we do not know
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