Lewis Structures & VSEPR Flashcards
How is formal charge calculated?
valence electrons - (bonds + lone electrons)
Why is Aluminum unique when considering lewis structures?
It does not need to fulfill the octet rule
How is Sulfur unique?
It doesn’t need to fulfill the octet rule, it can have 6 bonds
How is Phosphorus unique?
It can have 5 bonds
What stucture does a molecule with 2 electron domains have?
Linear
What structure does a molecule with 3 electron domains have?
Trigonal planar
What structure does a molecule with 4 electron domains have?
Tetrahedral
A trigonal pyramidal molecule has…
4 electron domains (3 bonds and a lone pair)
A bent molecule can have…
Two options
3 electron domains (2 bonds and a lone pair)
4 electron domains (2 bonds and 2 lone pairs)
5 electron domains, no lone pairs
Trigonal bipyramidal
6 electron domains, no lone pairs
Octahedral
5 electron domains, one lone pair
Seesaw
5 electron domains, two lone pairs
T-shaped
5 electron domains, three lone pairs
Linear
6 electron domains, 1 lone pair
Square pyramidal
