Atoms and Molecules

This chapter introduces the fundamental building blocks of matter—atoms and molecules—and the laws of chemical combination that govern their behavior. It covers Dalton's atomic theory, the concept of atomic and molecular…

• Maharishi Kanad called the smallest indivisible particle Parmanu; Democritus called it atomos (indivisible).
• Pakudha Katyayama said these particles normally exist in combined form, giving various forms of matter.
• Law of Conservation of Mass (Lavoisier): mass is neither created nor destroyed in a chemical reaction.

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