Bond Overlap

Question 1

is a single, double, triple bond considered a single electron domain?

Answer 1

yes

Question 2

single bond length and strength

Answer 2

longest weakest

Question 3

double bond length and strength

Answer 3

shorter stronger

Question 4

triple bond length and strength

Answer 4

shortest strongest

Question 5

When do covalent bonds occur?

Answer 5

when atomic orbitals overlap

Question 6

sigma-bond

Answer 6

head on/ direct overlap

Question 7

where is electron density concentrated in a sigma-bond?

Answer 7

between atoms

Question 8

examples of sigma overlap

Answer 8

Question 9

pi-bond

Answer 9

sideways overlap

Question 10

where is electron density concentrated in a pi-bond?

Answer 10

above and below atoms

Question 11

examples of pi overlap

Answer 11

Question 12

benzene bond structure

Answer 12

• 6 C-H sigma bonds
• 6 C-C sigma bonds
• remaining p-orbitals overlap sideways
• 6 electrons delocalize throughout pi-system
• VERY STABLE