Practice: Determine the molecular geometry for the following molecule: SeH2Cl2
True Shape of Molecules that takes into account differences in repulsion between lone pairs and surrounding elements.
Concept #1: Two Electron Groups
Two Electron Groups: Linear
Concept #2: Three Electron Groups
Three Electron Groups:
Trigonal Planar, Bent = V-shaped = Angular
Example #1: Determine the molecular geometry for the following molecule: BeH3–
Concept #3: Four Electron Groups
Four Electron Groups:
Tetrahedral, Trigonal pyramidal, Bent = V-shaped = Angular
Concept #4: Five Electron Groups
Five Electron Groups:
Trigonal Bipyramidal, See-saw, T-shaped, Linear
Example #2: Draw and determine the electron geometry for the following molecule: SOCl4
Concept #5: Six Electron Groups
Six Electron Groups:
Octahedral, Square pyramidal, Square planar
Example #3: Determine the molecular geometry for the following ion: KrCl5+
Practice: Determine the molecular geometry for the following molecule: SeH2Cl2
Practice: Determine the molecular geometry for the following molecule: CHClO.
Practice: Determine the molecular geometry for the following molecule: FSSF.
Practice: Determine the molecular geometry for the following molecule: IF4–.