Evaluating Structures

Question 1

Formal Charge (FC)

Answer 1

Valence electrons - # of unshared electrons - 1/2(# of shared electrons)

Question 2

Exceptiond to Octet Rule

Answer 2

-Molecules with odd # of valence electrons
-Molecule where central atom has >8 electrons. Only if atom is in period 3 or lower.

Question 3

Hybridization

Answer 3

number of groups = hybridization

All single bonds are sigma

All double bonds are 1 sigma and 1 pi bond.

All triple bonds are 1 sigm and 2 pi bonds.

Question 4

Paramagnetic

Answer 4

1 or more unpaired electrons

Question 5

Diamagnetic

Answer 5

No unpaired electrons