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4. Atomic Structure
  • Calculate-
    • the atomic mass of an element.
    • the number of neutrons in an atom.
  • Describe
    • Democritus’s ideas about atoms.
    • the structure of atoms according to the Rutherford atomic model.
  • Explain
    • Dalton’s atomic theory
    • what makes elements and isotopes different from each other.
    • why chemists use the periodic table.
  • Identify three types of subatomic particles
  • Understand that special instruments are necessary to observe individual atoms.
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