PO43- can form an ionic bond with a cation.
The chemical species which can easily form an ionic bond with a cation will be.
The definition of an ionic bond is a chemical bond that is formed between two ions that have opposite charges.
An Ionic bond is formed when one atom gives up one or more electrons to another atom.
These bonds can easily form between a pair of atoms or between molecules. This kind of bonding is most widely seen in bonds present in salts.
Compared to other options given, is the best option as the total number of 32 valence electrons, is the highest among the given choices. Its tendency to form ionic bonds with the other cation is much higher as compared to others.
P has 5 electrons which combine with 4 O atoms which have 6 lone pairs and a -3 charge on it, which means it is accepting 3 electrons so it will be (+3), so total valence electrons will be 5 + 6 (4) + 3 = 32.
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