'Isotopes carbon 12' presentation slideshows

How is radioactivity related to atomic structure?

How is radioactivity related to atomic structure?. Following the discovery of radioactivity by Henri Becquerel in 1896, many scientists were keen to find out more about it and understand where it came from. As a result of this work, we now know that radiation comes from radioactive atoms.

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How did different scientists contribute to atomic theory?

How did different scientists contribute to atomic theory?. Democritus. He asked this question: If you break a piece of matter in half, and then break it in half again, how many breaks will you have to make before you can break it no further?

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