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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

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