nicol701
nicol701 nicol701
  • 17-01-2021
  • Chemistry
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When an atom is charged, it is called an ion. How many electrons are in O^2-?

When an atom is charged it is called an ion How many electrons are in O2 class=

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DiamondGuyYT
DiamondGuyYT DiamondGuyYT
  • 17-01-2021

Answer:

10 electrons

Explanation:

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stephaniemorales1971 stephaniemorales1971
  • 17-01-2021
O2- indicates an ion of oxygen having two extra electrons. I.e., since an oxygen atom normally has 8 protons and 8 electrons, this ion has 10 electrons (-10 charge) and 8 protons (+8 charge) giving it a charge of -2 (-10 + 8 = -2).
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