Free Printable WorksheetScienceGrade 11Science CurriculumNGSS HS-PS1-1, HS-PS1-2, HS-PS1-3; AP Chem Unit 2; Pre-AP Unit 2; CCSS RST.11-12.7 and HSN-Q.A.1

11.45 Bonding Models and Potential Energy Diagrams Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Chemistry Science worksheet provides structured practice on 11.45 Bonding Models and Potential Energy Diagrams. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Bonding Models and Potential Energy Diagrams: Interpret potential energy curves for bond formation and compare attractive and repulsive forces at different internuclear distances.. Aligned to NGSS, CCSS, AP Chemistry/Pre-AP Chemistry, and representative state chemistry framework crosswalks NGSS HS-PS1-1, HS-PS1-2, HS-PS1-3; AP Chem Unit 2; Pre-AP Unit 2; CCSS RST.11-12.7 and HSN-Q.A.1 - Bonding Models and Potential Energy Diagrams Chemistry Standards Crosswalk: National: NGSS HS-PS1-1, HS-PS1-2, HS-PS1-3; AP Chem Unit 2; Pre-AP Unit 2; CCSS RST.11-12.7 and HSN-Q.A.1. State frameworks: TX TEKS 112.43(c)(7); MA HS.CHEM.1.1; FL SC.912.P.8.6; CA/NY/NJ HS-PS1-2/3; GA Chemistry bonding standards; VA Chemistry bonding standards.

Whether you are an educator preparing classroom handouts, a tutor reinforcing weekly topics, or a parent supporting homeschool learning, this printable resource gives students the deliberate practice required to achieve subject fluency and master state standards.

Grade

Chemistry

Subject

Science

Domain

Science Curriculum

Formats

PDF & DOCX

Sample Practice Problems

Preview the types of problems and questions covered in this worksheet

Below are sample questions representative of the exercises included on this worksheet and related 11.45 Bonding Models and Potential Energy Diagrams skill assessments:

Problem 1Difficulty: Mastery

The visual combines a potential energy curve and a small data table for the same atom pair. Which evidence best supports the claim that a stable bond forms at a particular distance?

AThe curve reaches a high positive energy at the shortest distance.

BThe curve and table both show a lowest potential energy near the same internuclear distance.

CThe far-right tail approaches the separated-atoms reference only.

DThe table includes units of pm and kJ/mol.

Solution & Explanation:A stable bond is identified by a potential energy minimum. When both the curve and the table locate the lowest energy near the same distance, the evidence supports a stable equilibrium bond length.

Problem 2Difficulty: Mastery

A table gives potential energy values every 25 pm. Which conclusion is best supported without overstating the precision?

AThe equilibrium distance is exactly 137.246 pm.

BThe equilibrium distance is definitely 75 pm because that is the first row.

CNo estimate is possible because the table is not a smooth graph.

DThe equilibrium distance is between about 125 pm and 150 pm, likely near the lowest listed value.

Solution & Explanation:With 25 pm spacing, the table supports an approximate equilibrium near the lowest listed energy, not an exact many-decimal distance. More data would be needed for higher precision.

Problem 3Difficulty: Mastery

A model compares H2 and D2 using the same electronic potential energy curve but different atomic masses. Which statement is most appropriate?

AThe D2 curve must have twice the equilibrium bond length because deuterium is twice as massive.

BChanging isotope identity removes electron-nucleus attractions.

CThe equilibrium bond length is nearly the same, while vibration behavior can differ because mass changes.

DH2 and D2 cannot be compared with potential energy curves.

Solution & Explanation:Isotopes of the same element have nearly the same electronic interactions, so the potential energy curve and bond length are very similar. Mass affects vibrational motion more than the electronic well shape.

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Frequently Asked Questions

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Chemistry Science students. It aligns with educational standard NGSS HS-PS1-1, HS-PS1-2, HS-PS1-3; AP Chem Unit 2; Pre-AP Unit 2; CCSS RST.11-12.7 and HSN-Q.A.1 (National: NGSS HS-PS1-1, HS-PS1-2, HS-PS1-3; AP Chem Unit 2; Pre-AP Unit 2; CCSS RST.11-12.7 and HSN-Q.A.1. State frameworks: TX TEKS 112.43(c)(7); MA HS.CHEM.1.1; FL SC.912.P.8.6; CA/NY/NJ HS-PS1-2/3; GA Chemistry bonding standards; VA Chemistry bonding standards.).