Download Science Class 9 Chapter 3 Notes PDF Free - Full Version
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About Science Class 9 Chapter 3 Notes
The document discusses key concepts in chemistry including: 1) Dalton's atomic theory which postulates that matter is made of atoms, atoms of the same element are identical, and atoms combine in fixed ratios to form compounds. 2) Atoms are the smallest particles that can participate in chemical reactions, while molecules are the smallest particles that can independently exist as a compound. 3) The mole concept which defines one mole as 6.023 x 1023 particles, and is used to relate mass and number of particles or molecules.
Detailed Information
| Author: | ['dependra singh'] |
|---|---|
| Publication Year: | 2016 |
| Pages: | 3 |
| Language: | English |
| Format: | |
| Price: | FREE |
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