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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
  • Course - 3.2.C.A: CHEMISTRY
Standard - 3.2.C.A4

Predict how combinations of substances can result in physical and/or chemical changes.

Interpret and apply the laws of conservation of mass, constant composition (definite proportions), and multiple proportions.

Balance chemical equations by applying the laws of conservation of mass.

Classify chemical reactions as synthesis (combination), decomposition, single displacement (replacement), double displacement, and combustion.

Use stoichiometry to predict quantitative relationships in a chemical reaction.

  • Assessment Anchor - CHEM.A.1 Properties and Classification of Matter
    • Anchor Descriptor - CHEM.A.1.1

      Identify and describe how observable and measurable properties can be used to classify and describe matter and energy.

      • Eligible Content - CHEM.A.1.1.1 Classify physical or chemical changes within a system in terms of matter and/or energy.
      • Eligible Content - CHEM.A.1.1.2 Classify observations as qualitative and/or quantitative.
      • Eligible Content - CHEM.A.1.1.3 Utilize significant figures to communicate the uncertainty in a quantitative observation.
      • Eligible Content - CHEM.A.1.1.4 Relate the physical properties of matter to its atomic or molecular structure.
      • Eligible Content - CHEM.A.1.1.5 Apply a systematic set of rules (IUPAC) for naming compounds and writing chemical formulas (e.g., binary covalent, binary ionic, ionic compounds containing polyatomic ions).
  • 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).
    • Anchor Descriptor - CHEM.B.1.2 Apply the mole concept to the composition of matter.
      • Eligible Content - CHEM.B.1.2.1 Determine the empirical and molecular formulas of compounds.
      • Eligible Content - CHEM.B.1.2.2 Apply the law of definite proportions to the classification of elements and compounds as pure substances.
      • Eligible Content - CHEM.B.1.2.3 Relate the percent composition and mass of each element present in a compound.
    • Anchor Descriptor - CHEM.B.1.4 Explain how models can be used to represent bonding.
      • Eligible Content - CHEM.B.1.4.1 Recognize and describe different types of models that can be used to illustrate the bonds that hold atoms together in a compound (e.g., computer models, ball‐and‐stick models, graphical models, solid‐sphere models, structural formulas, skeletal formulas, Lewis dot structures).
      • Eligible Content - CHEM.B.1.4.2 Utilize Lewis dot structures to predict the structure and bonding in simple compounds.
  • Assessment Anchor - CHEM.B.2 Chemical Relationships and Reactions
    • Anchor Descriptor - CHEM.B.2.2 Explain how the kinetic molecular theory relates to the behavior of gases.
      • Eligible Content - CHEM.B.2.2.1 Utilize mathematical relationships to predict changes in the number of particles, the temperature, the pressure, and the volume in a gaseous system (i.e., Boyle’s law, Charles’s law, Dalton’s law of partial pressures, the combined gas law, and the ideal gas law).
      • Eligible Content - CHEM.B.2.2.2 Predict the amounts of reactants and products involved in a chemical reaction using molar volume of a gas at STP.
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