Difference between revisions of "Chemistry"
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Revision as of 22:34, 1 August 2023
The first administration of the new Regents chemistry exam, which assesses students on the performance expectations below, is planned for June 2026 (per the NYSED science implementation roadmap).
The performance expectations are listed as they appear on the chemistry course map for courses that culminate in a chemistry regents exam. There are a total of 21 performance expectations on the chemistry course map. The chemistry course map contains performance expectations that also appear on the physics and biology course maps, such as HS-PS1-8 and HS-LS1-5.
The performance expectations are listed in the same order they are in on the chemistry course map. However, the chemistry course map notes that "instructional sequences are not assumed" and "student performance expectations (PEs) may be taught in any sequence or grouping within a course".
HS. Structure and Properties of Matter
HS-PS1-1 | Periodic table, valence electrons, properties of elements
Use the periodic table as a model to predict the relative properties of elements based on the patterns of electrons in the outermost energy level of atoms.
Clarification statement: Examples of properties that could be predicted from patterns could include reactivity of metals, types of bonds formed, numbers of bonds formed, and reactions with oxygen.
Assessment boundary: Assessment is limited to main group elements. Assessment does not include quantitative understanding of ionization energy beyond relative trends.
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HS-PS1-3 | Intermolecular forces and bulk scale properties
Plan and conduct an investigation to gather evidence to compare the structure of substances at the bulk scale to infer the strength of electrical forces between particles.
Clarification statement: Emphasis is on understanding the strengths of forces between particles in solids, liquids, and gases, not on naming specific intermolecular forces (such as dipole-dipole). Examples of particles could include ions, atoms, molecules, and network solids. Examples of bulk scale properties of substances could include the melting point and boiling point, vapor pressure, and surface tension.]
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HS-PS1-8 | Nuclear Processes
Develop models to illustrate the changes in the composition of the nucleus of the atom and the energy released during the processes of fission, fusion, and radioactive decay.
Clarification statement: Emphasis is on simple qualitative models, such as pictures or diagrams, and on the scale of energy released in nuclear processes relative to other kinds of transformations.
Assessment boundary: Assessment does not include quantitative calculation of energy released. Assessment is limited to alpha, beta, positron, and gamma radioactive decays.
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