Identify chemical formulas
Free printable Grade 7 science worksheet for "Identify chemical formulas" — practice atoms and molecules. No-prep, print or assign online.
Middle-school chemistry students in grades 6–8 practice identifying chemical formulas for common substances, connecting symbolic notation to the atoms and molecules they represent. Teachers can use this worksheet during an Atoms and Molecules unit to consolidate formula-reading skills and prepare students for equation work. It suits independent review, partner quizzing, or formative assessment.
Learning objectives
- Identify chemical formulas for common compounds and elements
- Interpret subscripts and symbols within a chemical formula
- Connect chemical formula notation to the composition of molecules
Answer Key
How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Identify chemical formulas” worksheet free?
Yes. “Identify chemical formulas” is a free printable Science worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Science worksheet for?
It's designed for Middle School (ages 11–14), covering Atoms and molecules.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
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