What is an Atom?

The video tutorial introduces the concept of atoms using a watermelon analogy, explaining that atoms are the smallest building blocks of matter. It covers the historical development of atomic theory, highlighting contributions from ancient philosophers and John Dalton. The tutorial explains that atoms are present in all objects, including humans, and discusses their incredibly small size and how they are detected using modern instruments. It also covers the structure of atoms, differences between elements, and how elements are represented by symbols.

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