Draw the Lewis structure for each of the following molecules or ions, and predict their electron-domain and molecular geometries:

$$\mathrm { BrO } _ { 2 }^-$$

Draw the Lewis structure for each of the following molecules or ions, and predict their electron-domain and molecular geometries:

$$\mathrm { AsF } _ { 3 }$$

Draw the Lewis structure for each of the following molecules or ions, and predict their electron-domain and molecular geometries:

$$XeF_2$$

Draw the Lewis structure for each of the following molecules or ions, and predict their electron-domain and molecular geometries:

$$BrF_3$$

Draw the Lewis structure for each of the following molecules or ions, and predict their electron-domain and molecular geometries:

$$\mathrm { CH } _ { 3 } ^ { + }$$