tasniarouf1302
tasniarouf1302 tasniarouf1302
  • 09-11-2021
  • Chemistry
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chemistry neeeeeeed help!

chemistry neeeeeeed help class=

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arishnasingh01
arishnasingh01 arishnasingh01
  • 09-11-2021

ANSWER

4. O²-

EXPLANATION

O²- has 16 electrons while Ne has 18 electrons. O²- is a molecule that has one electron added to each atom, meaning that there are two extra electrons which makes O²- the same electron configuration as of Ne atom.

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