Problem: Part C.  Based on your observations for each geometry, provide the bond angles at the indicated locations for the two-dimensional representations of the three-dimensional structures.Drag the appropriate labels to their respective targets.When there are only equivalent bonding groups, the orientation of the bonds and bonding atoms tend toward normalized, equally spaced arrangements that allow the greatest average distance between atoms. For example, when a circle, which is formed at 360° around a center, is trisected, three arcs of 120° are formed. Similarly, when three atoms are bonded to a central atom, they lie in a plane, and the angles formed between any two bonds (originating at the central atom) are 120°. Boron trifluoride exemplifies this behavior:These tendencies explain the existence of the geometries for each coordination number around a central atom. Molecules with only bonding electrons and equivalent bond types adhere strongly to the predicted angles.

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Part C.  Based on your observations for each geometry, provide the bond angles at the indicated locations for the two-dimensional representations of the three-dimensional structures.

Drag the appropriate labels to their respective targets.

When there are only equivalent bonding groups, the orientation of the bonds and bonding atoms tend toward normalized, equally spaced arrangements that allow the greatest average distance between atoms. For example, when a circle, which is formed at 360° around a center, is trisected, three arcs of 120° are formed. Similarly, when three atoms are bonded to a central atom, they lie in a plane, and the angles formed between any two bonds (originating at the central atom) are 120°. Boron trifluoride exemplifies this behavior:

These tendencies explain the existence of the geometries for each coordination number around a central atom. Molecules with only bonding electrons and equivalent bond types adhere strongly to the predicted angles.

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