Free Printable WorksheetScienceGrade 9Science CurriculumNGSS HS-PS1-1, HS-PS2-6

9.23 Ions and Electrical Charge 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 9.23 Ions and Electrical Charge. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Ions and Electrical Charge: MCQ focus: determine ion charge from electron loss or gain and connect charges to attraction, repulsion, and bonding readiness. 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-PS1-1, HS-PS2-6 - NGSS-aligned Ions and Electrical Charge: NGSS: HS-PS1-1; HS-PS2-6; NRC/DCI: PS1.A; PS2.B; SEP/CCC: Models / Cause and effect; 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 9.23 Ions and Electrical Charge skill assessments:

Problem 1Difficulty: Mastery

A neutral atom has 6 valence electrons and forms a simple ion by reaching 8 valence electrons. What charge and interaction pattern should be expected?

A2-, attracted to cations

B2+, attracted to anions only

C1-, repelled by all cations

D0, no electric interaction with ions

Solution & Explanation:An atom with 6 valence electrons gains 2 electrons to reach 8, forming a 2- ion. Negative ions attract positive ions.

Problem 2Difficulty: Mastery

A force model compares two equal-distance interactions: X+ with Y- and X+ with Z+. Which conclusion is correct?

AX+ attracts both because all ions attract.

BX+ attracts Y- but repels Z+.

CX+ repels Y- but attracts Z+.

DX+ repels both because all ions repel.

Solution & Explanation:The sign of charge controls the direction of electric force: opposite signs attract, and like signs repel.

Problem 3Difficulty: Mastery

A student chooses Mg2+ and O2- as a bonding-ready pair. Which reasoning best supports the choice?

AThey are both negative after gaining electrons, so they bond by repulsion.

BThey have the same sign, so one of each can attract and balance.

CThey are neutral atoms, so charge does not matter.

DThey have opposite charges with equal magnitudes, so one of each can attract and balance.

Solution & Explanation:Mg2+ is positive and O2- is negative. Opposite charges attract, and +2 plus -2 gives a balanced total of zero.

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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 Physical Science with Earth and Science Science students. It aligns with educational standard NGSS HS-PS1-1, HS-PS2-6 (NGSS: HS-PS1-1; HS-PS2-6; NRC/DCI: PS1.A; PS2.B; SEP/CCC: Models / Cause and effect; Common: RST.9-10.7; State refs: CA/NYSSLS same HS-PS PE family; FL SC.912.P.8; TX IPC matter strand.).