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  • 13-09-2020
  • Chemistry
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Why does the copper(I) ion Cu+ have 10 3d electrons?

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Betsayda2003 Betsayda2003
  • 13-09-2020
Copper, and chromium as well, are two exceptions. Copper has this configuration because a full d10 sub shells has lower energy, therefore it prefers filling up the 3d sub shells with 10 electrons and then leaving the 4s sub shell with only one electron.
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