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Subject Area - 3:
Science and Technology and Engineering Education
  • Standard Area - 3.2: Physical Sciences: Chemistry and Physics
  • Organizing Category - 3.2.A: Chemistry
  • Grade Level - 3.2.10.A: GRADE 10
Standard - 3.2.10.A5


Describe the historical development of models of the atom and how they contributed to modern atomic theory.


Apply the mole concept to determine number of particles and molar mass for elements and compounds.

  • Assessment Anchor - CHEM.B.1 The Mole and Chemical Bonding
    • Anchor Descriptor - CHEM.B.1.1 Explain how the mole is a fundamental unit of chemistry.
      • Eligible Content - CHEM.B.1.1.1 Apply the mole concept to representative particles (e.g., counting, determining mass of atoms, ions, molecules, and/or formula units).
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