Atomic Structure

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  • Atomic Structure
    • Atomic number is the number of protons
    • Relative atomic mass is the number of protons and neutrons in the nucleus
    • Isotopes have the same number protons but a different number of neutrons
    • Group on the periodic table = the number of electrons in the outer shell
    • Period on the periodic table = the number of electron shells
    • There is the same number of protons and electrons
    • The first electron shell can hold a maximum of 2 electrons. The second and the third can hold a maximum of 8

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