Unit 4 Concepte 4-6

Which of the following bonds would not be considered a type of intramolecular bond?

• covalent

• hydrogen

• ionic

• metallic

The space occupied by electrons is known as a(n) _______.

• dipole
• lone pair
• bonding pair
• electron domain

Molecules that are symmetrical tend to be _______. Molecules that are asymmetrical tend to be _______.

• nonpolar; polar

• polar; nonpolar

• nonpolar; nonpolar

• polar; polar

Tags

NGSS.HS-PS2-6

Which of the following statements is true about O₂?

• The two atoms share 4 electrons.

• It has a double bond.

• Its electronegativity difference is 0.

• All of the above are true.

Tags

NGSS.HS-PS1-1

Which intermolecular force is responsible for the high surface tension of water?

• London dispersion forces

• Hydrogen bonds

• Covalent bonds

• Dipole-dipole forces

Which statement about the molecule pictured to the right is NOT true?

• Electrons are equally shared.

• It contains a single bond.

• It is polar.

• Its electronegativity difference is 0.

Which of the following statements is true about VSEPR theory?

• It is the tendency for electron pairs to want to be as far apart as possible because valence electrons are repulsed by each other.

• It is the tendency for electron pairs to want to be as far apart as possible because valence electrons are attracted to each other.

• It is the tendency for electron pairs to want to be as close together as possible because valence electrons are repulsed by each other.

• It is the tendency for electron pairs to want to be as close together as possible because valence electrons are attracted to each other.

Predict which substance has the weakest intermolecular forces at work.

• Substance #1

• Substance #2

• Substance #3

• Substance #4

Predict which substance is most likely to be an ionic compound.

• Substance #1

• Substance #2

• Substance #3

• Substance #4

Tags

NGSS.HS-PS1-2

Which statement about the relationship between viscosity and intermolecular forces is true?

• The stronger the intermolecular forces, the higher the viscosity.

• The stronger the intermolecular forces, the less resistant the fluid is to movement.

• The stronger the intermolecular forces, the lower the viscosity.

• Both A and B are true.