Common Molecular Geometries

Vocabulary practice flashcards covering common molecular geometries, bond angles, and electron pair configurations based on the lecture chart.

Common Molecular Geometries Chart

A reference table displaying molecular geometry classifications, their corresponding number of $\sigma$ bonds, unshared electron pairs, and bond angles.

Tetrahedral Geometry

A molecular geometry formed by $4$ $\sigma$ bonds and $0$ unshared pairs, with a bond angle of $109.5^\circ$.

Trigonal Pyramidal Geometry

A molecular geometry formed by $3$ $\sigma$ bonds and $1$ unshared pair, with a bond angle of $107^\circ$.

Bent Geometry

A molecular geometry formed by $2$ $\sigma$ bonds and $2$ unshared pairs, with a bond angle of $105^\circ$.

Trigonal Planar Geometry ($0$ unshared pairs)

A molecular geometry formed by $3$ $\sigma$ bonds and $0$ unshared pairs, with a bond angle of $120^\circ$.

Angular Geometry

A molecular geometry formed by $2$ $\sigma$ bonds and $1$ unshared pair, with a bond angle of $117^\circ$.

Linear Geometry

A molecular geometry formed by $2$ $\sigma$ bonds and $0$ unshared pairs, with a bond angle of $180^\circ$.

Octahedral Geometry

A molecular geometry formed by $6$ $\sigma$ bonds and $0$ unshared pairs, with a bond angle of $90^\circ$.

Square Pyramidal Geometry

A molecular geometry formed by $5$ $\sigma$ bonds and $1$ unshared pair, with a bond angle of $90^\circ$.

Square Planar Geometry

A molecular geometry formed by $4$ $\sigma$ bonds and $2$ unshared pairs, with a bond angle of $90^\circ$.

T-shaped Geometry

A molecular geometry formed by $3$ $\sigma$ bonds and $3$ unshared pairs, with a bond angle of $90^\circ$.

Trigonal Bipyramidal Geometry

A molecular geometry formed by $5$ $\sigma$ bonds and $0$ unshared pairs, with bond angles of $90^\circ$ & $120^\circ$.

See-saw Geometry

A molecular geometry formed by $4$ $\sigma$ bonds and $1$ unshared pair, with bond angles of $87^\circ$ & $117^\circ$.

Trigonal Planar Geometry ($2$ unshared pairs)

A molecular geometry formed by $3$ $\sigma$ bonds and $2$ unshared pairs, with a bond angle of $120^\circ$.