Documents AP Chemistry Chapter 23 Notes. Henri Becquerel ruined some photographic plates with x-rays from a...

Slide 1AP Chemistry Chapter 23 Notes Slide 2 Henri Becquerel ruined some photographic plates with x-rays from a uranium source and radioactive decay was discovered in 1896.…

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Quick Chapter 4 Quick Chapter 4 The Atom! In the Beginning⦠Democritus: Thought everything had little particles. Termed these invisible particles as âatomsâ Atomos:…