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Atom worksheets

Inside the atom.

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Same code, same questions.

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How to make atom worksheets

  1. 1

    Choose which kinds of questions to include and how many of each.

  2. 2

    Tap “New worksheet” for a fresh mix of questions.

  3. 3

    Edit the title and choose A4 or US Letter.

  4. 4

    Download the PDF with its answer key and print it.

About these atom worksheets

Atoms are made of a tiny nucleus of protons and neutrons, surrounded by electrons. These worksheets cover the three particles and their charges, atomic and mass numbers, electron shells, ions and isotopes.

What the worksheet covers

The question bank for this topic has 12 key terms, 10 true-or-false statements, 8 multiple-choice questions, 8 fill-in-the-blank sentences and 4 short-answer questions. Each worksheet mixes a selection, so no two are the same.

  • Question types: match words to meanings, fill in the blanks, true or false, multiple choice, short answers, word search.
  • Key words: atom, nucleus, proton, neutron, electron, atomic number, mass number, ion, isotope, shell, charge, neutral atom.
  • Best for: grades 6–10 (ages 11–16).

More worksheets

Find more topics in science worksheets. Every worksheet is made on your device, and nothing is uploaded.

Frequently asked questions

Why is an atom neutral?

It has the same number of positive protons as negative electrons, so the charges cancel out.

Is there an answer key?

Yes. Every worksheet ends with an answer key on its own page. Switch it off if you’re giving the sheet as a test.

Can I choose the kinds of questions?

Yes. Switch each section on or off (matching, fill in the blanks, true or false, multiple choice and more) and choose how many questions go in each.

Can I print it in black and white?

Yes. The worksheet uses light tints that print clearly in grey, or pick the grey colour theme.

Will every worksheet be the same?

No. Each tap of “New worksheet” picks a different mix of questions from the topic’s question bank, so you can give different versions to different students.

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