physical science

    Cards (10)

    • Father of Modern periodic table
      Dmitri Ivanovich Mendeleev
    • solid sphere model or bowling ball model
      J. Dalton (1807)
    • give 3 sub atomic particles
      neutron, proton, and electrons
    • positively changed protons and neutral neutrons are tightly held in the center of nucleus
      Neil Bohr (1913)
    • nuclear model
      Ernest Rutherford
    • inside or center of the atoms
      neutron and protons
    • outside of the atoms
      electrons
    • plum pudding / raisin bread
      john joseph thomson (1897)
    • how many elements in the MTD
      118
    • 4 Postulates of modern atomic theory
      1. elements are made of very small particles called atom (John Dalton) – water and carbon dioxide
      2. Law of Definite composition proposed by Joseph Proust – always contains the same element
      3. Law of Multiple Proportion (John Dalton) combine two compounds will still make a whole number
      4. Law of Conservation of Mass (Antoine Laurent Lavoisier)
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