11 questions linked to/from Bonding in the phosphate ion
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### Are the Phosphate and Sulfate ion diagrams with double bonds an invalid picture?

Whenever you see an image of phosphate, it's always shown having 5 bonds. 3 single bonds to anionic oxygen atoms and a double bond to an extra neutral oxygen. Not only that, but they're shown being ...
Is there any general ordering or rule for heteronuclear molecules like $\ce{AX_2}$, $\ce{AX_{n}}$, and their molecular bonding/antibonding configurations ($\sigma/\pi$ orbitals) accordingly to some ...