Chapter 3: Bonding

Question 1

Ionic bonding is where the

Answer 1

Electrons are transferred from one atom to another and the resulting ions are help together by electrostatic interactions

Question 2

Covalent bonds are where

Answer 2

Electrons are shared between atoms

Question 3

When two atomic orbitals combine, they form

Answer 3

Molecular orbitals

Question 4

If the signs of the wave functions are the same, a lower energy (more stable)

Answer 4

Bonding orbital is produced

Question 5

If the signs are different, a higher energy (less stable)

Answer 5

Antibonding orbital is produced

Question 6

Sigma bonds are formed

Answer 6

Hear to head or tail to tail overlap of atomic orbitals

Question 7

A pi bond is formed when

Answer 7

2 p-orbitals line up in a parallel fashion and their electron clouds overlap

Question 8

One pi bond and one sigma bond is a

Answer 8

Double bond

Question 9

One sigma bond and two pi bonds is

Answer 9

Triple bond

Question 10

sp3 hybridized orbitals form

Answer 10

Tetrahedral geometry with 109.5 degree angles

Question 11

Carbons with all single bonds are

Answer 11

sp3 hybridized

Question 12

sp2 hybridized orbitals form

Answer 12

Trigonal planar geometry with 120 degree bond angles

Question 13

Carbons with one double bond are

Answer 13

sp2 hybridized

Question 14

sp hybridized orbitals form

Answer 14

Linear geometry with 180 degree bond angles

Question 15

Carbons with a triple bond or with 2 double bonds are

Answer 15

sp hybridized

Question 16

Conjugation requires alternating single and multiple bonds because this pattern aligns a number of

Answer 16

Unhybridized p-orbitals down the backbone of the molecule

Question 17

Resonance describes the

Answer 17

Delocalization of electrons in molecules that have conjugated bonds

Question 18

Resonance increases the

Answer 18

Stability of a molecule