Added: 4 years ago
From: chemiguru
Views: 11,017
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  • did this in science class

  • the best part was when it turned black...hellyeh

  • I really needed this for my homework thx

  • thanks for the answer lolz

  • the II mean that the ion of copper has minus 2 electrons

  • what does the II mean?

  • sammmeeeee

  • lol same

  • thnx dude i needed to know that for my chemistry homework! couldnt find it anywhere but here

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