Answer :
We may arrange the valence electrons around the center atom of PO3-3 and try to fill each atom's outer shell once we learn how many exist. Its PO3 3- Lewis structure is made up of 26 valence electrons.
How can one recognize polyatomic?
Only a few of the elements in the periodic table have a following letter that is lowercase after their first capital letter. Therefore, you can tell an ion is polyatomic if it has two capital letters together.
Oxygen – polyatomic or not?
However, the majority of elements are found in molecules made up of two or maybe more atoms. We refer to these as polyatomic elements. The oxygen family of elements, which includes oxygen.
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