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Standard 1: Atomic and Molecular Structure - 10% of Star Exam

The periodic table displays the elements in increasing atomic number and shows how periodicity of the physical and chemical properties of the elements relates to atomic structure. As a basis for understanding this concept:
  Strand 1A
  Strand 1B
  Strand 1C
  Strand 1D
  Strand 1E
  Strand 1F
  Strand 1G
  Strand 1H
  Strand 1I
  Strand 1J
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