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Question
The smallest particle of matter that can exist by itself is ______.
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Solution
The smallest particle of matter that can exist by itself is atom.
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Project.
To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.
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