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Atomic structure (negligible electron mass)

The starter and exit quiz of the lesson “Atomic structure (negligible electron mass)”, from the unit “Atomic structure and the periodic table” (Year 10 Science) by Oak National Academy.

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Oak National Academy

12 questions

  1. Which statement is true about elements?
  2. What determines the identity of an element?
  3. In a chemical reaction, atoms...
  4. An element is a substance made up of only one kind of ...
  5. John Dalton's theory proposed that ___ are indivisible.
  6. The ___ is a list of all known elements, ordered based on their properties.
  7. Where is the nucleus located in an atom?
  8. Match the subatomic particles with their relative charges:
  9. The relative mass of a neutron is ___ (compared to protons).
  10. True or false? Atoms are overall neutral. (Select true or false and a justification.)
  11. Which of the following are correct ways of describing the relative mass of electrons (compared to protons)?
  12. The radius of an atom's ___ is at least 10 000 times smaller in comparison to the radius of the whole atom.

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Atomic structure (negligible electron mass) · Examplary