Atomic Structure and The Periodic Table

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1. In the modern periodic table, how are elements arranged?

  • Decreasing atomic mass
  • Increasing atomic mass
  • Increasing atomic number
  • Decreasing atomic number
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2. Where are the protons and neutrons found in an atom?

  • Alongside the electrons
  • Energy shells
  • Nucleus
  • Surrounding the electrons

3. Where are non-metals located in the modern Periodic Table?

  • Only on the bottom
  • To the right
  • Only on the top
  • To the left

4. What did Mendeleev do with elements that hadn't been discovered?

  • Left a long gap along the top for them
  • Left gaps
  • Nothing, he didn't think there would be any
  • Filled them in by predicting their properties

5. In which year did Mendeleev arrange the elements into a Periodic Table?

  • 1689
  • 1869
  • 1896
  • 1986

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