VSEPR/Molecular Geometry and Bond Angle Reference Sheet

Vocabulary practice flashcards covering molecular geometries, electron pair numbers, lone pair configurations, and bond angles based on the VSEPR reference sheet.

Linear ($AB_2$)

Molecular geometry characterized by $2$ total electron pairs, $0$ lone pairs, and a bond angle of $180^\circ$.

Trigonal planar ($AB_3$)

Molecular geometry characterized by $3$ total electron pairs, $0$ lone pairs, and bond angles of $120^\circ$.

Bent ($AB_2E$)

Molecular geometry characterized by $3$ total electron pairs, $1$ lone pair, and a bond angle of $< 120^\circ$.

Tetrahedral ($AB_4$)

Molecular geometry characterized by $4$ total electron pairs, $0$ lone pairs, and bond angles of $109.5^\circ$.

Trigonal pyramid ($AB_3E$)

Molecular geometry characterized by $4$ total electron pairs, $1$ lone pair, and a bond angle of $107^\circ$.

Bent ($AB_2E_2$)

Molecular geometry characterized by $4$ total electron pairs, $2$ lone pairs, and a bond angle of $104.5^\circ$.

Trigonal bipyramid ($AB_5$)

Molecular geometry characterized by $5$ total electron pairs, $0$ lone pairs, and bond angles of $90^\circ$ and $120^\circ$.

Seesaw ($AB_4E$)

Molecular geometry characterized by $5$ total electron pairs, $1$ lone pair, and bond angles of $< 90^\circ$ and $< 120^\circ$.

T-shape ($AB_3E_2$)

Molecular geometry characterized by $5$ total electron pairs, $2$ lone pairs, and a bond angle of $< 90^\circ$.

Linear ($AB_2E_3$)

Molecular geometry characterized by $5$ total electron pairs, $3$ lone pairs, and a bond angle of $180^\circ$.

Octahedral ($AB_6$)

Molecular geometry characterized by $6$ total electron pairs, $0$ lone pairs, and bond angles of $90^\circ$.

Square pyramid ($AB_5E$)

Molecular geometry characterized by $6$ total electron pairs, $1$ lone pair, and bond angles of $< 90^\circ$ and $90^\circ$.

Square planar ($AB_4E_2$)

Molecular geometry characterized by $6$ total electron pairs, $2$ lone pairs, and bond angles of $90^\circ$ and $180^\circ$.

T-shape ($AB_3E_3$)

Molecular geometry characterized by $6$ total electron pairs, $3$ lone pairs, and a bond angle of $< 90^\circ$.

Linear ($AB_2E_4$)

Molecular geometry characterized by $6$ total electron pairs, $4$ lone pairs, and a bond angle of $180^\circ$.