Classify chemical elements
Free printable Grade 7 science worksheet for "Classify chemical elements" — practice atoms and molecules. No-prep, print or assign online.
Middle school chemistry students classify chemical elements using the periodic table, categorizing elements by group, period, and properties such as metal, nonmetal, or metalloid. Teachers can use this worksheet as a structured classification task within an Atoms and Molecules unit, helping students read and interpret the periodic table systematically. Sorting elements builds the chemical literacy students need for bonding, reactions, and advanced chemistry.
Learning objectives
- Classify chemical elements by group and period on the periodic table
- Distinguish between metals, nonmetals, and metalloids using element properties
- Explain how an element's position on the periodic table predicts its properties
Answer Key
How to use this worksheet
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- 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 “Classify chemical elements” worksheet free?
Yes. “Classify chemical elements” 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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