Lewis Structures
Polarity
INTRA vs. IMFs
IMFs
Potpourri
100
According to the Octet Rule, atoms have the tendency to reach stability by achieving how many valence electrons?
Eight (8)
100
What do we call the separation of electric charge leading to a molecule having a dipole moment?
Polarity
100
Bonds which are found within molecules are called what?
Intramolecular bonds
100
What are the forces found between molecules?
Intermolecular forces (IMF)
100
What is the theory used to predict molecular shape based on electron pair repulsions?
VSEPR Theory
200
Draw the correct valence electrons on this lewis structure:
200
A bond between atoms with a 0.2 electronegativity difference is considered what type of bond?
Nonpolar covalent
200
Are there intramolecular bonds in the compound below?
H2O
Yes
200
What is the weakest type of IMFs found in the list below?
Hydrogen Bonding
London Dispersion
Dipole-Dipole
Ionic Forces
London Dispersion
200
What type of IMFs are found in diamonds? (Hint: the strongest type of IMFs)
Network covalent
300
Draw the lewis structure for the compound:
H2S
300
What is the difference in electronegativity of the following bond?
Cl-O
|3.5-3.0| = 0.5
300
What state of matter does NOT have intermolecular forces?
Gas
300
What is the strongest type of IMFs found in the list below?
Hydrogen Bonding
London Dispersion
Dipole-Dipole
Ionic Forces
Ionic Forces
300
Is the following molecule symmetrical or asymmetrical?
Symmetrical
400
What is the molecular shape for the compound below?
Trigonal Pyramidal
400
Is the molecule below polar or nonpolar?
Polar covalent
400
Does the following have intramolecular bonds, IMFs, both, or neither?
H2O liquid
Both intramolecular bonds and IMFs
400
What type of IMFs are found in the following compound?
NaCl
Ion-Ion (Ionic)
400
What type of IMFs are found in the following compound?
CH3OH
Hydrogen Bonds
London Dispersion
500
What are the bond angles for the molecular geometry of H2O?
<109°
500
Determine if the following bond is nonpolar, polar, or ionic based on electronegativity difference:
C-O
|3.5-2.5| = 1.0
Polar covalent
500
Does the following have intramolecular bonds, IMFs, both, or neither?
CH4 gas
Intramolecular bonds
500
What type of IMFs are found in the following compound?
CH3Br
London Dispersion
500
Is the following molecule symmetrical or asymmetrical?
Asymmetrical