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1. What ion will be formed by the phosphorus atom shown below when it has a stable set of valence electrons? A. P5+ B P3+ C. P5- D. P3-.​

Sagot :

Phosphorus atom forms an ion by accepting three electrons.

To form an ion, an atom will either accept or donate electrons depending on the number of electrons in its outermost shell.

For metals, there are few electrons in their outermost shells so they mostly donate electrons. Nonmetals have more electrons in their outermost shells so they mostly accept electrons.

Phosphorus is a nonmetal that has five electrons in its outermost shell so it mostly accepts three electrons to complete its octet and form P3-.

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