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Atoms and Molecules — Previous Year Questions (Class 9 Science)

Atoms are the smallest units of elements, while molecules are combinations of atoms. Learn about atomic structure, compounds, and the mole concept.

TL;DR: Atoms are the smallest units of elements, while molecules are combinations of atoms. Learn about atomic structure, compounds, and the mole concept.

By Syllab.in · Updated Jun 22, 2026

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