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13 November, 14:30

How many electrons does phosphorus need to gain to have a stable outer electron shell

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Answers (2)
  1. 13 November, 14:38
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    Explanation:

    Phosphorous valence is 5. so to get stable electronic configuration it has to gain 3 more electrons to its outer shell
  2. 13 November, 14:51
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    Explanation:

    luckily, every phosphorus atom is looking to gain 3 electrons. It's a perfect match. But something to notice though, look how they have a bond with six electrons. That is called triple bond.
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