Shapes of molecules and intermolecular forces

Question 1 of 10

The shape of boron trifluoride, BF₃, is

Question 2 of 10

Carbon dioxide is non-polar even though its C=O bonds are polar because

Question 3 of 10

The shape of the ammonium ion, NH₄⁺, is

Question 4 of 10

Predict the shape and bond angle of each molecule and give a reason: (a) BeCl₂, (b) BF₃, (c) SiH₄, (d) PH₃.

Question 5 of 10

The bond angle in water is about

Question 6 of 10

The shape of an ammonia molecule, NH₃, is

Question 7 of 10

The shape of a carbon dioxide molecule is

Question 8 of 10

The VSEPR theory states that electron pairs around a central atom

Question 9 of 10

Down group 17, the boiling points of the halogens increase because

Question 10 of 10

Ammonia has ___ lone pair(s) of electrons on nitrogen.