Standards Detail
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Subject Area - 3:
Science and Technology and Engineering Education
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.A5
MODELS
Recognize discoveries from Dalton (atomic theory), Thomson (the electron), Rutherford (the nucleus), and Bohr (planetary model of atom), and understand how each discovery leads to modern theory.
Describe Rutherford’s “gold foil” experiment that led to the discovery of the nuclear atom. Identify the major components (protons, neutrons, and electrons) of the nuclear atom and explain how they interact.
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Assessment Anchor - CHEM.A.1 Properties and Classification of Matter
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Anchor Descriptor - CHEM.A.1.1
Identify and describe how observable and measurable properties can be used to classify and describe matter and energy.
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Eligible Content - CHEM.A.1.1.1 Classify physical or chemical changes within a system in terms of matter and/or energy.
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Eligible Content - CHEM.A.1.1.2 Classify observations as qualitative and/or quantitative.
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Eligible Content - CHEM.A.1.1.3 Utilize significant figures to communicate the uncertainty in a quantitative observation.
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Eligible Content - CHEM.A.1.1.4 Relate the physical properties of matter to its atomic or molecular structure.
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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).
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Anchor Descriptor - CHEM.A.1.2 Compare the properties of mixtures.
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Eligible Content - CHEM.A.1.2.1 Compare properties of solutions containing ionic or molecular solutes (e.g., dissolving, dissociating).
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Eligible Content - CHEM.A.1.2.2 Differentiate between homogeneous and heterogeneous mixtures (e.g., how such mixtures can be separated).
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Eligible Content - CHEM.A.1.2.3 Describe how factors (e.g., temperature, concentration, surface area) can affect solubility.
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Eligible Content - CHEM.A.1.2.4 Describe various ways that concentration can be expressed and calculated (e.g., molarity, percent by mass, percent by volume).
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Eligible Content - CHEM.A.1.2.5 Describe how chemical bonding can affect whether a substance dissolves in a given liquid.
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