Other questions in this quiz

2. Which of these statements is true?

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

3. Where are the protons and neutrons found in an atom?

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

4. In isotopes, are there odd numbers of electrons, protons or neutrons?

  • Neutrons
  • Electrons
  • Protons

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

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


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