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The History of the Atom

Theories and Models

03-May-2017

© Compound Interest

The History of the Atom – Theories and Models

All matter is made up of atoms. This is something we now take as a given, and one of the things you learn right back at the beginning of high school or secondary school chemistry classes. Despite this, our ideas about what an atom is are surprisingly recent: as little as one hundred years ago, scientists were still debating what exactly an atom looked like. This graphic takes a look at the key models proposed for the atom, and how they changed over time.

Topics
  • atomic models
  • atoms
  • nuclear physics
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