AP Chemistry Intermolecular Forces

Inter Bonding is a relatively ______ attraction when compared to Intra Bonding.

• Strong
• Equal
• Weak

When a pair of electrons are shared between two atoms this is called _________ bonding.

• Dipole-Dipole
• Covalent
• Hydrogen
• Ionic

The most electronegative atom is _________.

• Helium
• Flourine
• Hydrogen
• Lithium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In a pair of atoms that are covalently bonded, and when one atom has a much higher electronegativity then another, the electrons are ___________.

• neglidible.
• repelled by each other and the atoms split.
• attracted to the more positive atom.
• attracted toward the more electronegative atom.

Hydrogen bonding occurs when hydrogen is bonded to Nitrogen, Oxygen, or Fluorine.  Which of the following compounds has hydrogen bonding?

• F₂
• NO₃
• H₂S
• NH₃

A dipole is...

• a probability map of where an electron may be found at any one time.
• something that occurs when two atoms of similar electronegativities bond.
• the creation of opposite charges at either end of the molecule.

________  between water molecules explains the very high melting and boiling point of water.

• Strong dipole-dipole bonds
• Strong hydrogen bonds
• Strong dispersion forces

London forces are stronger in heavier atoms/molecules. Which of these has the strongest London forces?

• F₂
• Br₂
• I₂
• Cl₂

________ inter-molecular forces cause liquids to have ________ boiling points.

• weak; ^high
• strong; _low
• strong; ^high
• external; cold

Weak intermolecular forces cause liquids to have ____ boiling points.

• ^high
• _low
• ∞
• $$$