Shapes of molecules and intermolecular forces

Question 1 of 10

A molecule with six bonding pairs and no lone pairs has a(n) ___ shape.

Question 2 of 10

The bond angle in a trigonal planar molecule such as BF₃ is ___°.

Question 3 of 10

Lone pairs reduce the bond angle between bonding pairs.

Question 4 of 10

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

Question 5 of 10

The shape of a methane molecule is ___.

Question 6 of 10

Hydrogen bonds are stronger than van der Waals forces.

Question 7 of 10

Explain, with examples, the terms polar molecule and non-polar molecule. Why is tetrachloromethane, CCl₄, non-polar even though the C–Cl bond is polar?

Question 8 of 10

The shape of boron trifluoride, BF₃, is

Question 9 of 10

The shape of PCl₅ is

Question 10 of 10

Lone pairs of electrons repel