Difference between revisions of "HS-PS1-2"

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<metadesc>NYS Standard HS-PS1-2: Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.</metadesc>
 
<metadesc>NYS Standard HS-PS1-2: Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.</metadesc>
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== {{Assessmentheading}} ==
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{{assessmentmessage}}
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{| class="wikitable" style="width:100%; text-align:center"
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! style="padding: 0.5em 1.5em;" | Exam
 +
! style="padding: 0.5em 1.5em;" | Cluster
 +
! style="padding: 0.5em 1.5em;" | Question
 +
|-
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| rowspan="3" style="background-color:white;" | [[August 2026 Chemistry Exam|August 2026]]
 +
| style="background-color:white;" | [[Questions:Semiconductors|Semiconductors]]
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| style="background-color:white;" | [[Questions:Semiconductors#q3|Question 16]]
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|-
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| style="background-color:white;" | [[Questions:Pool Water Chemistry|Pool Water Chemistry]]
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| style="background-color:white;" | [[Questions:Pool Water Chemistry#q1|Question 22]]
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|-
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| style="background-color:white;" | [[Questions:Safe Transport of Drinking Water|Safe Transport of Drinking Water]]
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| style="background-color:white;" | [[Questions:Safe Transport of Drinking Water#q4|Question 47]]
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|-
 +
| rowspan="2" style="background-color:white;" | [[June 2026 Chemistry Exam|June 2026]]
 +
| style="background-color:white;" | [[Questions:How Glow Became Gloom|How Glow Became Gloom]]
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| style="background-color:white;" | [[Questions:How Glow Became Gloom#q3|Question 3]]
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|-
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| style="background-color:white;" | [[Questions:All About Aluminum|All About Aluminum]]
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| style="background-color:white;" | [[Questions:All About Aluminum#q2|Question 43]]
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|-
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| style="background-color:white;" | [[Chemistry sample question clusters|Sample clusters]] (Spring 2025)
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| style="background-color:white;" | [[Questions:PSC Evaluating Gas Stoves|Evaluating Gas Stoves]]
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| style="background-color:white;" | [[Questions:PSC Evaluating Gas Stoves#q1|Question 1]]
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|}
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{{PerformanceLevel}}
 
{{PerformanceLevel}}
 
{{PLTable
 
{{PLTable
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| Level1 = Given possible reaction outcomes, identify the outcome of a simple chemical reaction using the outermost electron states of atoms, trends in the periodic table, or knowledge of the patterns of chemical properties.
 
| Level1 = Given possible reaction outcomes, identify the outcome of a simple chemical reaction using the outermost electron states of atoms, trends in the periodic table, or knowledge of the patterns of chemical properties.
 
}}
 
}}
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== Vocabulary ==
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Terms from the [[Chemistry Glossary]] that come from this standard or from the released exam questions that assess it.
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<div class="vocab-subhead">From this standard</div>
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<div class="vocab-list" style="column-width:14em;">
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* atom
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* chemical property
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* chemical reaction
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* combustion reaction
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* electron state
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* element
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* evidence
 +
* investigation
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* main-group element
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* matter
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* nucleus
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* outermost electron state
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* periodic table
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* phenomenon
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* properties
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* proton
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* reactant
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* reaction
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* system
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* trend
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* trends in the periodic table
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</div>
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<div class="vocab-subhead">From released exam questions</div>
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<div class="vocab-list" style="column-width:20em;">
 +
* [[Questions:Pool Water Chemistry#q1|aqueous (aq)]] – Aug 2026
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* [[Questions:Safe Transport of Drinking Water#q4|chemical formula]] – Aug 2026, [[Questions:All About Aluminum#q2|June 2026]], [[Questions:PSC Evaluating Gas Stoves#q1|Sample 2025]]
 +
* [[Questions:Pool Water Chemistry#q1|claim]] – Aug 2026
 +
* [[Questions:PSC Evaluating Gas Stoves#q1|climate change]] – Sample 2025
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* [[Questions:Semiconductors#q3|compound]] – Aug 2026, [[Questions:How Glow Became Gloom#q3|June 2026]]
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* [[Questions:Pool Water Chemistry#q1|concentration]] – Aug 2026
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* [[Questions:Semiconductors#q3|electron]] – Aug 2026, [[Questions:How Glow Became Gloom#q3|June 2026]]
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* [[Questions:PSC Evaluating Gas Stoves#q1|hydrocarbon]] – Sample 2025
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* [[Questions:Pool Water Chemistry#q1|insoluble]] – Aug 2026
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* [[Questions:Pool Water Chemistry#q1|ion]] – Aug 2026, [[Questions:How Glow Became Gloom#q3|June 2026]]
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* [[Questions:Pool Water Chemistry#q1|ionization]] – Aug 2026
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* [[Questions:Pool Water Chemistry#q1|metal]] – Aug 2026
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* [[Questions:Semiconductors#q3|outermost energy level]] – Aug 2026
 +
* [[Questions:Semiconductors#q3|oxidation state]] – Aug 2026
 +
* [[Questions:Pool Water Chemistry#q1|pH]] – Aug 2026
 +
* [[Questions:Pool Water Chemistry#q1|precipitate]] – Aug 2026
 +
* [[Questions:Safe Transport of Drinking Water#q4|product]] – Aug 2026, [[Questions:How Glow Became Gloom#q3|June 2026]], [[Questions:PSC Evaluating Gas Stoves#q1|Sample 2025]]
 +
* [[Questions:Semiconductors#q3|semiconductor]] – Aug 2026
 +
* [[Questions:How Glow Became Gloom#q3|solution]] – June 2026
 +
* [[Questions:Semiconductors#q3|temperature]] – Aug 2026
 +
</div>
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<div class="vocab-subhead">Implied by this standard</div>
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<div class="vocab-list">
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* sodium chloride – implied by "the reaction of sodium and chlorine"
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</div>
  
 
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== {{Assessmentheading}} ==
 
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* [[Questions:PSC Evaluating Gas Stoves#q1|Evaluating Gas Stoves Q1]]
 
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Latest revision as of 16:15, 27 September 2026

← HS-PS2-6
HS-PS1-4 →

Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.

Clarification statement: Examples of chemical reactions could include the reaction of sodium and chlorine, of carbon and oxygen, or of carbon and hydrogen.

Assessment boundary: Assessment is limited to chemical reactions involving main group elements and combustion reactions.


Assessment

What assessment of HS-PS1-2 might look like on a NY state exam.

Exam Cluster Question
August 2026 Semiconductors Question 16
Pool Water Chemistry Question 22
Safe Transport of Drinking Water Question 47
June 2026 How Glow Became Gloom Question 3
All About Aluminum Question 43
Sample clusters (Spring 2025) Evaluating Gas Stoves Question 1

Performance Level Descriptions

PLDs communicate the knowledge and skills expected of students to demonstrate proficiency in each Learning Standard. NYS assessments classify student performance into one of five levels.

☐
Level 1: Given possible reaction outcomes, identify the outcome of a simple chemical reaction using the outermost electron states of atoms, trends in the periodic table, or knowledge of the patterns of chemical properties.
☐
Level 2: Predict the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and/or knowledge of the patterns of chemical properties.
☐
Level 3: Construct or revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and/or knowledge of the patterns of chemical properties.
☐
Level 4: Construct and revise an explanation for the outcome of a simple chemical reaction based on the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.
☐
Level 5: Construct, revise, and evaluate explanations for the outcome of simple chemical reactions based on the predictable behavior of reactants, the outermost electron states of atoms, trends in the periodic table, and knowledge of the patterns of chemical properties.

Vocabulary

Terms from the Chemistry Glossary that come from this standard or from the released exam questions that assess it.

From this standard
  • atom
  • chemical property
  • chemical reaction
  • combustion reaction
  • electron state
  • element
  • evidence
  • investigation
  • main-group element
  • matter
  • nucleus
  • outermost electron state
  • periodic table
  • phenomenon
  • properties
  • proton
  • reactant
  • reaction
  • system
  • trend
  • trends in the periodic table
From released exam questions
Implied by this standard
  • sodium chloride – implied by "the reaction of sodium and chlorine"

Resources

Examples and discussion of resources for the learning, teaching, and assessment of HS-PS1-2.

Pixel beaver This section could be expanded upon. You can help out by adding to this section.


NGSS Dimensions

Performance expectation HS-PS1-2 was developed using the following elements from the NRC document A Framework for K-12 Science Education:

Science and Engineering Practices
  • Constructing Explanations and Computational Thinking
    • Construct and revise an explanation based on valid and reliable evidence obtained from a variety of sources (including students’ own investigations, models, theories, simulations, peer review) and the assumption that theories and laws that describe the natural world operate today as they did in the past and will continue to do so in the future.
Disciplinary Core Ideas
  • PS1.A: Structure and Properties of Matter
    • The periodic table orders elements horizontally by the number of protons in the atom's nucleus and places those with similar chemical properties in columns. The repeating patterns of this table reflect patterns of outer electron states.
  • PS1.B: Chemical Reactions
    • The fact that atoms are conserved, together with knowledge of the chemical properties of the elements involved, can be used to describe and predict chemical reactions.
Crosscutting Concepts
  • Patterns
    • Different patterns may be observed at each of the scales at which a system is studied and can provide evidence for causality in explanations of phenomena.


Page contributors: Caroline Leonard, Conrad Richman
Chemistry | HS. Chemical Reactions
Retrieved from "https://nyssls.info/index.php?title=HS-PS1-2&oldid=5702"

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