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Use the VSEPR model of molecular geometry to rationalize the geometries of IF2−, IF3, IF4–, IF5,...

Use the VSEPR model of molecular geometry to rationalize the geometries of IF2−, IF3, IF4–, IF5, IF6–, IF7 and the isoelectronic group 18 species XeF2, XeF3+, XeF4, XeF5+, XeF6 and XeF7+ (the latter is presently unknown). Provide perspective drawings of these structures (including the lone pairs and bonding pairs of electrons).

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