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3 more than it already has

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Q: How many valence electrons does phosphorus need?
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How many valence electron do atoms need to be staple?

8 valence electrons


How many electrons does antimony need to fill its valence shell?

antimony has 5 valence electrons


Explain the formation of an ionic compound composed of cesium and phosphorus?

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How many electrons do you need to make a Chlorine atom stable if you have 7 valence electrons?

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