For the listed compound follow these steps. Determine the number of valence electrons for each atom in the compound from its electron configuration. Draw the Lewis symbol for each element. Predict the number of electron pairs to be shared in the molecule.  Draw the Lewis structure for the molecule. Identify whether the molecule has single, double or triple bonds. Describe the shape of each molecule.

Ammonia, ${\mathrm{NH}}_3$

For the listed compound follow these steps. Determine the number of valence electrons for each atom in the compound from its electron configuration. Draw the Lewis symbol for each element. Predict the number of electron pairs to be shared in the molecule.  Draw the Lewis structure for the molecule. Identify whether the molecule has single, double or triple bonds. Describe the shape of each molecule.

Hydrogen fluoride, $\mathrm{HF}$

For the listed compound follow these steps. Determine the number of valence electrons for each atom in the compound from its electron configuration. Draw the Lewis symbol for each element. Predict the number of electron pairs to be shared in the molecule.  Draw the Lewis structure for the molecule. Identify whether the molecule has single, double or triple bonds. Describe the shape of each molecule.

Carbon dioxide, ${\mathrm{CO}}_2$

Describe the shape of molecule.

Chlorine, ${\mathrm{Cl}}_2$

Describe the shape of molecule.

Bromine, ${\mathrm{Br}}_2$

Describe the shape of molecule.

Hydrogen fluoride, $\mathrm{HF}$

Describe the shape of molecule.

Methane, ${\mathrm{CH}}_4$

Describe the shape of molecule.

Nitrogen, ${\mathrm{N}}_2$

Describe the shape of molecule.

Carbon dioxide, ${\mathrm{CO}}_2$