Kuster ~ Bonding ~ Intermolecular Forces DO NOW

What information do we look for on the periodic table if we  want to examine intermolecular forces?

• atomic mass
• atomic number
• electronegativity
• ionization 

Tags

NGSS.HS-PS1-3

Which noble gas has the highest boiling point?

Hint: The more electrons present... generally, the higher the BP.

• Xe

• Kr

• Ar

• He

Type of intermolecular force present in I₂, Br₂, and Cl₂. Think: What type of molecules are these? (Non-Polar or Polar... ) Then, Is a hydrogen bond present? ~ Now... answer!

• dipole dipole

• H-bond

• dispersion

• metallic

H₂S has what kind of intermolecular force?

Think: What type of molecules are these? (Non-Polar or Polar... ) Then, Is a hydrogen bond present? ~ Now... answer!

• dipole dipole

• dispersion

• H-bond

• ionic

Intermolecular forces are the forces

• within molecules
• between molecules

Intermolecular force present in HCl?

Think: What type of molecules are these? (Non-Polar or Polar... ) Then, Is a hydrogen bond present? ~ Now... answer!

• dipole dipole

• dispersion

• H-bond

• ionic

What explains the very high melting and boiling point of water

• Strong dipole-dipole bonds between water molecules
• Strong hydrogen bonds between water molecules
• Dispersion forces which are present in all molecules
• Asymmetrical shape of the polar bonds.

Tags

NGSS.MS-PS1-4

Hydrogen bonding occurs when hydrogen is bonded to N, O, or F.  Which of the following has hydrogen bonding?

• CBr₄
• NO₂
• H₂S
• NH₃

Does HF have hydrogen bonding?

• yes
• no

Does HCl have hydrogen bonding?

• yes
• no