Introduction: The Atom – Then and Now!

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elcome to the world of the Atom! I’m sure you have heard that the atom is the basic building block of all matter, but it is so much more than that. So, what exactly is an atom? Who first came up with the idea of an atom? What is the atomic theory? What is the current model of the atom? Over the past 2000 years our concept of the atom has changed many times. Why does it keep changing? Is there anything smaller than an atom? We are going to take an in-depth look at the atom to answer these questions and more.

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