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27 May, 05:38

Which of the following atoms contains seven valence electrons?

carbon

iodine

hydrogen

helium

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Answers (1)
  1. 27 May, 06:25
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    I believe the correct answer from the choices listed above is the second option. Iodine atoms contains seven valence electrons. Iodine is one of the members of Group 17, which are usually called as Halogens. A ll but seven are in the inner shells of the iodine atom.
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