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I Which are semiconductors in the periodic table?

  1. Feb 24, 2017 #1
    Can combination elements in group I and group VII be a semiconductor?
    My thinking is that they form the octet rule just like group II and group VI elements.
  2. jcsd
  3. Feb 24, 2017 #2


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    2017 Award

    Staff: Mentor

    Their band gap is way too large. As an example, the band gap of NaCl is 9 eV.
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