12. Molecular Shapes & Valence Bond Theory

Which of the following molecules does NOT have trigonal planar electron-pair geometry?

Which of the following molecular geometries best represents the predicted shape of a molecule of H_2S?

What is the molecular geometry of NH_3 (ammonia)?

What is the molecular geometry of HCN (hydrogen cyanide)?

The ammonia molecule (NH_3) in the diagram has the observed bond orientation because:

Which molecular geometry is most commonly maintained by liquid water molecules due to hydrogen bonding?

In a molecule with a tetrahedral geometry, how many atoms are directly bonded to the central atom?

What is the molecular geometry of the BrF_2^- ion?

Which of the following best describes the Miller indices for a plane that intercepts the x-axis at 1, the y-axis at infinity, and the z-axis at infinity in a cubic unit cell?

What is the molecular geometry of SF_6?

What is the molecular geometry of SF_4?

Which factor primarily determines the shape of a molecule according to the VSEPR theory?

What is the molecular geometry of IF_5?

Which of the following is the approximate bond angle between adjacent equatorial atoms in a molecule with square pyramidal geometry?

Which molecular geometry best describes the shape of the ammonium ion, NH_4^+?