VSEPR Geometries Chart

Comprehensive vocabulary flashcards reviewing the VSEPR Geometries Chart, including molecular geometry names, steric formulas, bond angles, hybridization, polar and nonpolar examples, and 3D visual models.

$AX_2$ Geometry

linear

bond angle of $180^\circ$

polar example: $N_2O$, nonpolar example: $CO_2$.

$AX_2E$ Geometry

bent/angular

bond angle of $120^\circ$

polar example: $O_3$.

$AX_2E_2$ Geometry

bent/angular

$$< 109.5^\circ$$

polar example: $H_2O$.

$AX_2E_3$ Geometry

linear

bond angle of $180^\circ$

polar example: $BrIF^-$, nonpolar example: $XeF_2$.

$AX_3$ Geometry

trigonal planar

bond angle of $120^\circ$

polar example: $CoCl_2$, nonpolar example: $BF_3$.

$AX_3E$ Geometry

trigonal pyramidal

$$< 109.5^\circ$$

polar example: $NH_3$.

$AX_3E_2$ Geometry

t-shaped

$A/B: 90^\circ$ and $A + B: 180^\circ$

polar example: $ClF_3$.

$AX_4$ Geometry

tetrahedral

bond angle of 109

polar example: $CH_2O$, nonpolar example: $CH_4$

$AX_4E$ Geometry

seesaw

$A: 90^\circ$, $B: 120^\circ$, and $180^\circ$

example: $SF_4$.

$AX_4E_2$ Geometry

square planar

bond angles of $90^\circ$ and $180^\circ$

polar example: $XeF_3Br$, nonpolar example: $RnF_4$.

$AX_5$ Geometry

trigonal bi-pyramidal

bond angles of $A: 90^\circ$, $B: 120^\circ$, and $180^\circ$

polar example: $PCl_4F$, nonpolar example: $PCl_5$.

$AX_5E$ Geometry

square pyramidal

bond angles of $90^\circ$ and $180^\circ$

polar example: $IF_5$.

$AX_6$ Geometry

octahedral

bond angles of $90^\circ$ and $180^\circ$

polar example: $IOF_5$, nonpolar example: $SF_6$.

$AX_7$ Geometry

pentagonal bi-pyramidal

with bond angles of $A: 90^\circ$, $B: 72^\circ$, and $180^\circ$

nonpolar example: $IF_7$

OH -

hydroxide

NO3 -

nitrate

ClO 3-

chlorate

SO4 2-

sulfate

CO3 2-

carbonate

O2 2-

peroxide

PO4 3-

phosphate

NH4 +

ammonium

NH3

ammonia