3.1.3.5 Shapes of simple molecules and ions

Question 1

How many lone pairs and bonded pairs are there in a linear molecule?

Answer 1

• 0 lone.
• 2 bonded.

Question 2

What is the bond angle in a linear molecule?

Answer 2

• 108 degrees.

Question 3

How many lone pairs and bonded pairs are there in a v-shaped molecule?

Answer 3

• 2 lone.
• 2 bonded.

Question 4

What is the bond angle in v-shaped molecules?

Answer 4

• 104.5 degrees.

Question 5

How many lone pairs and bonded pairs are there in a trigonal planar molecule?

Answer 5

• 0 lone.
• 3 bonded.

Question 6

What are the bond angles in trigonal planar molecules?

Answer 6

• 120 degrees.

Question 7

How many lone pairs and bonded pairs are there in a triangular pyramid molecule?

Answer 7

• 1 lone.
• 3 bonded.

Question 8

What are the bond angles in a triangular pyramid molecule?

Answer 8

• 107 degrees.

Question 9

How many lone pairs and how many bonded pairs are there in a tetrahedral molecule?

Answer 9

• 0 lone.
• 4 bonded.

Question 10

What are the bond angles in a tetrahedral molecule?

Answer 10

• 109.5 degrees.

Question 11

How many lone pairs and bonded pairs are there in a trigonal bipyramid molecule?

Answer 11

• 0 lone.
• 5 bonded.

Question 12

What are the bond angles in a trigonal bipyramid molecule?

Answer 12

• 90 and 120 degrees.

Question 13

How many lone pairs and bonded pairs are there in an octahedral molecule?

Answer 13

• 0 lone.
• 6 bonded.

Question 14

What are the bond angles in an octahedral molecule?

Answer 14

• 90 degrees.