Chemistry Unit 3 Review

What type of intermolecular forces does CO₂ have?

• London Dispersion

• Hydrogen bonding

• Dipole-Dipole

• Covalent network

Tags

NGSS.HS-PS1-3

List the intermolecular forces from greatest to least strength

• Dipole-Dipole, London Dispersion, Hydrogen Bonding

• Hydrogen Bonding, London Dispersion, Dipole-Dipole

• Hydrogen Bonding, Dipole-Dipole, London Dispersion

• London Dispersion, Dipole-Dipole, Hydrogen Bonding

Which one explains the difference in boiling points between ethanol and dimethyl ether using intermolecular forces

• 1. The London Dispersion in Dimethyl Ether means the molecules experience stronger attractions and are harder to separate

• The hydrogen bonding in Ethanol means the molecules experience stronger attractions and are harder to separate                  

• 1. The hydrogen bonding in Dimethyl Ether means the molecules experience stronger attractions and are harder to separate

• 1. The Dipole-Dipole in Ethanol means the molecules experience stronger attractions and are harder to separate

Tags

NGSS.HS-PS1-3

Which molecule has dipole-dipole?

• CH₄

• CO₂

• CCl₄

• HCl

1. London dispersion, dipole-dipole, and hydrogen bonding are examples of 

• Intermolecular forces

• 1. Intramolecular forces

• Ionic bond

• Covalent bond

1. Which solid is a network covalent?

• 1. Salt

• Iron

• Ice

• Diamond

1. What is TRUE regarding the properties of ionic solids 

• 1. They have a 2D lattice structure 

• Only good conductors in aqueous or liquid state

• 1. They have a low melting point 

• 1. They have a low boiling point 

1. The following picture is what property of metallic solids 

• Sea of electrons

• Network Covalent

• Ionic Solid

• Molecular Solid

Tags

NGSS.HS-PS1-3

NGSS.HS-PS2-6

What are amorphous particles?

• Particles that are arranged in a regular three-dimensional structure

• Particles that do NOT have a regular/orderly arrangement

1. What properties change through the different states of matter?

• Mass, volume, and molarity

• volume, density, and interparticle distances

• 1. Interparticle distances, mass, and radii

• 1. Density, electronegativity, and molarity

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4