science

By Blemmer
  • Democritus
    442 BCE

    Democritus

    He told people that elements are made of something that can't to cut any farther. He called it an atom.
  • Dalton

    Dalton

    He said that Atoms are invisible and indestructible and he also said that all atoms are made for a different element.
  • Maire Curie

    Maire Curie

    She was the one that found out that some atoms and elements were radioactive. That was how she died.
  • Ernest Rutherford

    Ernest Rutherford

    He shot high velocity alpha particles at the atoms and the atoms didn't deflect them very well.
  • Niels Bohr

    Niels Bohr

    He thought that hydrogen atoms, went with the quantum theory.
  • James Chadwick

    James Chadwick

    He proved that a neutron was the mass as a proton.