What is the shape of the phosphate ion?

Answer 1

PO4 3- is the phosphate ion

If you add the total number of valence electrons you will get 32 as an answer. When you draw the bohr diagram of the ion you will find that the ion satisfies the octet rule. From the diagram below, you can see that ion will be a tetrahedral. Hope this helped!

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Answer 2

The phosphate ion has a tetrahedral shape, with a central phosphorus atom bonded to four oxygen atoms. This arrangement results in a negatively charged ion due to the presence of three lone pair electrons on the phosphorus atom.