Ionic Compounds and VSEPR Geometry

Please see the attached file for further details.

Specify which compound in the following pairs of ionic compounds has the higher lattice energy: (a) KCI or MgO, (b) LiF or LiBr, (c) or NaCl. Explain your choice. See attachment.

Compare the stability (in the solid state) of the following pairs of compounds: (a) LiF and (containing the ion), (b) and CsO (containing the ion), (c) and (containing the ion).

Predict the geometrics of the following species using the VSEPR method: (a) ,
(b) , (c) , (d) (see attachment).

Predict the geometry of the following molecules using the VSEPR method: (a)
(b) (arrangement of atoms is NNO), (c) (arrangement of atoms is SCN).

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