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P has 5 valence electrons so it can gain 3 electrons or lose 5 electrons to have a full valence shell.

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13y ago

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Does phosphrous gain of lose and electron?

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Phosphorus wants to gain three electrons to have 8 valence electrons.


What is the rule?

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How many valence electrons must sulfur gain or lose to get 8 valence electrons?

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How many valence electrons must bromine gain or lose to get 8 valence electrons?

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