Trigonal-bipyramidal- In this type of molecular geometry, the center atom is surrounded by five atoms. Bond angles are 90 and 120 degrees. Octahedral- In octahedral molecular geometry, there are ...

As balloons are popped the resulting number conforms to the molecular shapes of VSEPR theory. To Conduct Demonstration. Show six balloons in octahedral arrangement. Pull tightly on the slack end of ...