Free Printable WorksheetScienceGrade 11Science CurriculumNGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6

11.26 Ionic Formulas and Charges Worksheet

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Worksheet Overview & Skills Covered

Core academic competencies and curriculum alignment

This Chemistry Science worksheet provides structured practice on 11.26 Ionic Formulas and Charges. Students are guided through targeted exercises that build foundational understanding, computational accuracy, and critical thinking skills.

Ionic Formulas and Charges: Write neutral ionic formulas by balancing cation and anion charges, including compounds with transition metals and polyatomic ions. Aligned to NGSS, CCSS, AP Chemistry/Pre-AP Chemistry, and representative state chemistry framework crosswalks NGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6 - Ionic Formulas and Charges Chemistry Standards Crosswalk: National: NGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6. State frameworks: TX TEKS 112.43(c)(7)-(9); FL SC.912.P.8.7, P.8.9; MA HS-PS1-9(MA); GA Chemistry formula/stoichiometry standards; VA Chemistry nomenclature/mole 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 11.26 Ionic Formulas and Charges skill assessments:

Problem 1Difficulty: Mastery
Iron(III) phosphate contains Fe3+ and PO43-. Which formula should be written?
AFe3PO4
BFe(PO4)3
CFe2(PO4)3
DFePO4
Solution & Explanation:Fe3+ and PO43- have equal and opposite charges, so they combine in a 1:1 ratio. The formula is FePO4.
Problem 2Difficulty: Mastery
A symbolic formula is M3X2. Which ion charges would make that formula neutral?
AM3+ and X2-
BM^+ and X2-
CM2+ and X3-
DM2+ and X^-
Solution & Explanation:Three M2+ ions give +6, and two X3- ions give -6. Those charges match the formula M3X2.
Problem 3Difficulty: Mastery
A student writes (Na)2SO4 for sodium sulfate. Which revision uses ionic formula notation correctly?
A(Na)2(SO4)
BNa2SO4
CNa(SO4)2
DNaSO4
Solution & Explanation:Sodium is monatomic, so parentheses are not used around Na. Two Na^+ ions balance one SO42- ion, giving Na2SO4.

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Frequently Asked Questions

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QIs this 11.26 Ionic Formulas and Charges worksheet free for teachers and homeschoolers?

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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-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6 (National: NGSS HS-PS1-1, HS-PS1-7; AP Chem Units 1 and 4; Pre-AP Unit 3; CCSS HSN-Q.A.1-3 and MP6. State frameworks: TX TEKS 112.43(c)(7)-(9); FL SC.912.P.8.7, P.8.9; MA HS-PS1-9(MA); GA Chemistry formula/stoichiometry standards; VA Chemistry nomenclature/mole standards.).

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