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Question 38

An atom is electrically neutral and has 12 protons. How many electrons does it have?

  1. 0
  2. 6
  3. 24
  4. 12Bonne réponse

Explication

Neutrality requires the positive charge of 12 protons to be balanced by 12 electrons. Having no electrons would leave the atom strongly positive rather than neutral.

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Question 38: An atom is electrically neutral and has 12 protons. How… · The Periodic Table and Elements · Questena