Atom vs Molecule — Difference (with Table)
Atom vs Molecule compared side by side — a 5-row comparison table and 4 key points. Class 9 Chemistry, free and no sign-up.
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TL;DR: Atom vs Molecule compared side by side — a 5-row comparison table and 4 key points. Class 9 Chemistry, free and no sign-up.
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The main difference between Atom and Molecule: Atoms and molecules are fundamental units in chemistry with distinct properties, essential for CBSE Class 9 Chemistry. Understanding their relationship is
Atom vs Molecule — Comparison Table
| Basis | Atom | Molecule |
|---|---|---|
| Definition | Smallest particle of element | Smallest particle of compound or element |
| Composition | Single type of atom | Two or more atoms bonded together |
| Bond | No chemical bond within | Chemical bond holds atoms together |
| Smallest unit | Indivisible by chemical methods | Can be broken into atoms by chemical reaction |
| Examples | Oxygen atom (O), Carbon atom (C) | Water (H2O), Oxygen gas (O2) |
Key Points
- Atom is basic unit of element; molecule is unit of compound
- Atoms combine through chemical bonds to form molecules
- Diatomic molecules (O2, N2) contain two atoms of same element
- Molecules are the smallest independent unit retaining properties