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Type: Multiple-Choice
Category: Quantum Physics and the Atom
Level: Grade 9
Author: swiftadam81
Last Modified: 23 days ago

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Quantum Physics and the Atom Question

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Grade 9 Quantum Physics and the Atom

How could the charge of a neutral carbon atom be changed, such that a negative ion would form? (Note: The type of element, carbon, cannot be changed.)
  1. add a proton
  2. add an electron
  3. subtract an electron
  4. subtract a proton
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