Molecule shapes and Bond Angles

Question 1

What is the name and bond angle of molecules with 2 bond pairs? (e.g. carbon dioxide, CO₂)

Answer 1

Linear with 180° bond angles.

Question 2

What is the name and bond angle of molecules with 3 bond pairs? (e.g. boron trichloride, BCl₃)

Answer 2

Trigonal planar with 120° bond angles.

Question 3

What is the name and bond angle of molecules with 4 bond pairs? (e.g. methane, CH₄)

Answer 3

Tetrahedral with 109.5° bond angles.

Question 4

What is the name and bond angle of molecules with 5 bond pairs? (e.g. phosphorus pentachloride, PCl₅)

Answer 4

Trigonal bipyradimal with bond angles of 120° and 90°.

Question 5

What is the name and bond angle of molecules with 6 bond pairs? (e.g. sulfur hexafluoride, SF₆)

Answer 5

Octahedral with 90° bond angles.

Question 6

What is the name and bond angle of molecules with 3 bond pairs and 1 lone pair? (e.g. ammonia, NH₃)

Answer 6

Pyramidal with 107.5° bond angles.

Question 7

What is the name and bond angle of molecules with 2 bond pairs and 2 lone pair? (e.g. water, H₂O)

Answer 7

Non linear with 104.5° bond angles.

Question 8

What is the name and bond angle of molecules with 4 bond pairs and 1 lone pair? (e.g. Sulfur tetrafluoride, SCl₄)

Answer 8

See-saw shape with bond angles of less than 120° and less than 90°.

Question 9

What is the name and bond angle of molecules with 3 bond pairs and 2 lone pairs? (e.g Chlorine trifluoride, ClF₃)

Answer 9

T-Shape with 90° bond angles.

Question 10

What is the name and bond angle of molecules with 5 bond pairs and 1 lone pair? (e.g. Chlorine pentafluoride, ClF₅)

Answer 10

Square pyramidal with bond angles of less than 90°

Question 11

What is the name and bond angle of molecules with 4 bond pairs and 2 lone pairs? (e.g. Xenon tetrafluoride, XeF₄)

Answer 11

Square planar with bond angles of 90°