Free Printable WorksheetScienceGrade 9Science CurriculumNGSS HS-PS1-2, HS-PS2-6

9.32 Ionic and Covalent Bonding Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Physical Science with Earth and Science Science worksheet provides structured practice on 9.32 Ionic and Covalent Bonding. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Ionic and Covalent Bonding: MCQ focus: classify bonds by electron transfer or sharing and identify common properties of ionic and covalent substances. Aligned to NGSS high school Physical Science, Earth and Space Science, and Engineering Design; NRC/DCI; SEP/CCC; CCSS math/literacy connections; selected CA NGSS, NYSSLS, Florida CPALMS, and Texas TEKS references NGSS HS-PS1-2, HS-PS2-6 - NGSS-aligned Ionic and Covalent Bonding: NGSS: HS-PS1-2; HS-PS2-6; NRC/DCI: PS1.B; PS2.B; SEP/CCC: Models / Structure and function; Common: RST.9-10.7; State refs: CA/NYSSLS same HS-PS PE family; FL SC.912.P.8; TX IPC matter strand.

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

Physical Science with Earth and Science

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 9.32 Ionic and Covalent Bonding skill assessments:

Problem 1Difficulty: Mastery

Unknown Z is made only of nonmetal atoms, consists of separate molecules, has a low boiling point, and does not conduct electricity. Which classification and reasoning are strongest?

AUnbonded, because low boiling point means atoms cannot be connected.

BMolecular covalent, because nonmetal atoms share electrons in neutral molecules.

CIonic, because all compounds with more than one element form ions.

DMetallic, because all solids conduct when heated.

Solution & Explanation:The element types, molecular structure, low boiling point, and lack of conductivity all support molecular covalent bonding.

Problem 2Difficulty: Mastery

Which explanation best accounts for the high melting point of many ionic compounds?

AHeating changes protons into electrons before melting can occur.

BEvery ionic compound contains only weak attractions between identical charges.

CIonic compounds are made of neutral molecules with no attractions.

DA large amount of energy is needed to separate many oppositely charged ions in the lattice.

Solution & Explanation:Strong electrostatic attractions throughout the ionic lattice require substantial energy to overcome.

Problem 3Difficulty: Mastery

Which investigation would best distinguish between an ionic compound and a molecular covalent compound using properties?

AAsk whether the sample name has more than five letters.

BCount how many grams are placed on the balance without any other test.

CCompare the color of the labels on the containers.

DCompare electrical conductivity of the melted samples or their water solutions.

Solution & Explanation:Conductivity in molten or dissolved states tests for mobile ions, a key property difference between ionic and molecular covalent substances.

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Frequently Asked Questions

Common questions about printing, using, and solving this worksheet

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QWhat grade level and standards does this worksheet align with?

This worksheet is designed specifically for Physical Science with Earth and Science Science students. It aligns with educational standard NGSS HS-PS1-2, HS-PS2-6 (NGSS: HS-PS1-2; HS-PS2-6; NRC/DCI: PS1.B; PS2.B; SEP/CCC: Models / Structure and function; Common: RST.9-10.7; State refs: CA/NYSSLS same HS-PS PE family; FL SC.912.P.8; TX IPC matter strand.).