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Type: Multiple-Choice
Category: Atomic Structure
Level: Grade 10
Score: 2
Author: Melloni
Last Modified: 6 months ago

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Atomic Structure Question

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Grade 10 Atomic Structure

Which of these descriptions is incorrect?
  1. proton: positive charge, in nucleus, mass of = 1 amu
  2. electron: negative charge, mass of = 0 amu, in nucleus
  3. neutron: mass of = 1 amu, no charge
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