isotope

  • The First Nucleosynthesis

    The First Nucleosynthesis

    One minute after the Big Bang, all the protons, neutrons, and electrons that would ever exist had been produced. There were no atomic nuclei, though. No atoms. No materials as you and I know it — like wood, metal, or…

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  • How Atoms Work

    How Atoms Work

    Have you ever seen something like this? I’m going to venture a wild guess and say you haven’t, since scientists have only recently been able to take this kind of image. I learned about it in my biology class this…

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  • Types of Atoms

    Types of Atoms

    Does this look familiar? It might, or it might not. If it does, you might recognize it as the periodic table of the elements — more often known as simply the “periodic table.” It’s an ingenious way to organize elements…

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