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Atoms, elements and the periodic table worksheet
Students review atoms and elements: atomic number, mass number, symbols, groups and periods, and metals, nonmetals and metalloids. Questions use choice, matching, ordering, sorting and fill-in tasks. For 9th grade chemistry.
By Edform · Chemistry · Grade 9 · Published Nov 3, 2026 · New
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Questions
- What does the atomic number of an element tell you?
- Fill in the gaps with numbers.
- An atom of chlorine-35 has an atomic number of 17. How many neutrons does it have?
- Match each element symbol to its element name.
- Sort each element as a metal, a nonmetal or a metalloid.
- Choose the correct words to complete the sentence.
- Which pair of elements is in the same group and has similar chemical properties?
- Decide whether each statement is true or false.
- Order these elements by increasing atomic number, from smallest to largest.
- Which statements about particles in an atom are true?
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