Intro Intermolecular Forces Quiz

In a polar covalent bond, the electrons gather around...

• The atom with the Greatest Electronegativity

• The atom with the Lowest Electronegativity

• Each atom Equally

• None of the Above

Partial charges are present in which type of bond?

• Ionic

• Nonpolar Covalent

• Polar Covalent

• Both Polar Covalent and Ionic

Tags

NGSS.HS-PS1-3

Polar or non polar? H₂S

• polar

• nonpolar

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.

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

• CBr₄
• NO₂
• H₂S
• NH₃

All molecules have London forces between them, but dipole-dipole and hydrogen bonding are so much stronger that when they are present we can ignore London forces.  Which of these has ONLY London forces?

• I₂
• NH₃
• OCl₂
• SH₂

Which image depicts a polar bond between two nonmetal atoms?

• 
• 

Carbon dioxide has polar bonds but is considered a nonpolar molecule. Why?

• it does not look symmetrical

• it has a symmetrical look

This molecule has _____ bonds and is a _______ molecule.

• polar, nonpolar

• nonpolar, nonpolar

• nonpolar, polar

• polar, polar

An intermolecular force is the force

• holding two atoms together in molecule

• holding two molecules together