Use the References to access important values if needed for this question. Please note that "geometry" refers to the molecular or ionic geometry. A. The Lewis diagram for PO4 is: *0* The electron-pair geometry around the P atom in PO4³- is There are lone pair(s) around the central atom, so the geometry of PO4³- is B. The Lewis diagram for NO3 is: :0: Recall that for predicting geometry, double and triple bonds count as only one electron pai The electron-pair geometry around the N atom in NO3 is There are lone pair(s) around the central atom, so the geometry of NO3 is
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Valence Bond Theory Vbt
Valence bond theory (VBT) in simple terms explains how individual atomic orbitals with an unpaired electron each, come close to each other and overlap to form a molecular orbital giving a covalent bond. It gives a quantum mechanical approach to the formation of covalent bonds with the help of wavefunctions using attractive and repulsive energies when two atoms are brought from infinity to their internuclear distance.
![**Use the References to access important values if needed for this question.**
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**Please note that "geometry" refers to the molecular or ionic geometry.**
**A.** The Lewis diagram for \( \text{PO}_4^{3-} \) is:
[Diagram of \( \text{PO}_4^{3-} \)]
The **electron-pair geometry** around the P atom in \( \text{PO}_4^{3-} \) is ________.
There are ________ lone pair(s) around the central atom, so the geometry of \( \text{PO}_4^{3-} \) is ________.
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**B.** The Lewis diagram for \( \text{NO}_3^- \) is:
[Diagram of \( \text{NO}_3^- \)]
**Recall that for predicting geometry, double and triple bonds count as only one electron pair.**
The **electron-pair geometry** around the N atom in \( \text{NO}_3^- \) is ________.
There are ________ lone pair(s) around the central atom, so the geometry of \( \text{NO}_3^- \) is ________.
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