Chemistry ideas click fastest with real practice. This set gives your Grade 9-12 class ninety questions on mole concept quiz, aligned to the same NGSS performance expectation.

Students will answer questions such as "Which statement is true about Avogadro’s number?", "What is the mass of 4.5 moles of KCl (molar mass = 74.55 g/mol)?", and "How many grams are in 1.5 moles of Na (molar mass = 22.99 g/mol)?"

What's Inside?

• 30 Multiple Choice questions as a separate print ready PDF worksheet
• 30 True or False questions as a separate print ready PDF worksheet
• 30 Short Answer questions as a separate print ready PDF worksheet
• Includes Answer Key with Explanations for all 90 questions
• 6 print ready PDF files, 26 pages in total

Each worksheet reviews the same core ideas from a different angle. Use them across a week or unit so students see the material three times without it ever feeling repetitive.

Ways to Use This Resource

• Self checking practice, since every answer key includes explanations
• Review station before a lab or quiz
• Homework or review before a test
• Bell ringers and warm ups during the unit
• No prep cover lesson for a substitute teacher

This set is part of a complete NGSS aligned chemistry unit. The unit also covers Law of Conservation of Mass, Balancing Equations Challenge, Stoichiometry Introduction, Mass Mass Calculations, Mole Mole Problems, and Limiting Reactant, all in the same three worksheet format, so your classroom routine stays familiar while the topic changes.

Suitable for Grade 9-12 chemistry classes, and for NGSS aligned review at any point in the school year. This set is aligned to NGSS standard HS-PS1-7.