Atomic Structure and The Periodic Table

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

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

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

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

3. Which of these statements is true?

  • Protons have a positive charge, electrons negative, neutrons are neutral
  • Protons have a positive charge, neutrons negative, electrons neutral.
  • Electrons have a positive charge, neutrons neutral, protons positive
  • Neutrons have a positive charge, electrons negative, protons neutral

4. What did Mendeleev do with elements of similar properties?

  • Cluster them in a group
  • Put them next to each other
  • Put them underneath each other
  • Nothing, he spread them out

5. Which of these statements is true?

  • Protons have a mass of 1, neutrons 1, electrons 1/1836
  • They all have a mass of 1
  • Protons have a mass of 1, neutrons 1/1836, electrons 1
  • Protons have a mass of 1/1836, neutrons 1, electrons 1

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