Topic 10: Molecular Geometry, Video E: VSEPR Theory

Question 1

2 electrons in a single bond is called what?

Answer 1

1 electron pair

Question 2

120 degrees between 3 electron groups is called what shape? 3 bonds in the equatorial position.

Answer 2

Trigonal planar.

Question 3

What is the shape of 6 electron groups 90 degrees apart? 4 bonds in the equatorial position and 2 bonds in axial position which can be interchanged.

Answer 3

Octahedral

Question 4

Put the electron groups where?

Answer 4

As far apart as possible.

Question 5

An effective electron pair is called what?

Answer 5

One group.

Question 6

4 electrons in a double bond is known as what in VSEPR theory?

Answer 6

1 effective electron pair.

Question 7

6 electrons in a triple bond is known as what?

Answer 7

1 effective electron pair.

Question 8

2 electrons in a lone pair is know as what?

Answer 8

1 electron pair.

Question 9

Linear electron geometry has how many degrees between how many electron groups? 2 bonds in the equatorial position.

Answer 9

2 groups 180 degrees appart.

Question 10

What is the shape of five electron groups 120 degrees apart from equatorial positions in the plane and 90 degrees apart from axial to equatorial position?

Answer 10

Trigonal bipyramidal

Question 11

What is the shape of 4 electron groups 109.5 degrees apart?

Answer 11

Tetrahedral