IB Bonding cont.

Question 1

VBT

Answer 1

1 electron from each atom form a covalent bond
2 electron total within the “bond orbital”

Question 2

higher overlap of orbitals

Answer 2

stronger bond

Question 3

HYBRIDIZATION

Answer 3

atomic orbitals to form bond orbitals

Question 4

hybrid orbitals are only form in

Answer 4

bonding (shape is still a probability function

Question 5

hybrid orbitals uses energy from

Answer 5

intermediate energy between s and p (even d)

Question 6

linear would have which hybridization

Answer 6

sp

Question 7

trig. planar would have which hybridization

Answer 7

sp2

Question 8

tetrahedral would have which hybridization

Answer 8

sp3

Question 9

sp3 hybridization

Answer 9

electron domain geometry has a central atoms that is sp3 hybridized

Question 10

sigma bonds location

Answer 10

centre of electron density in along the internuclear axis

Question 11

SIGMA BOND

Answer 11

covalent bond
end-to-end ocerlap of bond orbitals

Question 12

sp2 hybridization

Answer 12

molecules with 3 centres of electron density

Question 13

PI BOND

Answer 13

2 lobes of electron density above and below the internuclears axis side-by-side overlap of 2 unhybridized p orbitals

Question 14

what does pi bond do

Answer 14

restricts bond rotation, gives rigidity to the molecule

Question 15

double bond has how many bonds

Answer 15

1 sigma and 1 pi

Question 16

triple bond has how many bonds

Answer 16

1 sigma and 2 pi

Question 17

sp hyrbidization

Answer 17

centre atom has linear electron domain geomertry

Question 18

localized pi bond

Answer 18

pi bond between 2 atoms

Question 19

DELOCALIZED

Answer 19

pi bond spread between 3+ atoms
3+ atoms each have an unhyrbridized p orbital

Question 20

bond order

Answer 20

of bond/# of bond sites

Question 21

HYBRID STRUCTURE

Answer 21

show each resonance structure combined
double bond = dashed line

Question 22

Metallic bonding

Answer 22

found in pure metals and alloys (mix of metals)

Question 23

electrostatic attractions in metallic bonding

Answer 23

between lattice of cations and delocalized electrons

Question 24

how is metallic bonding different than covalent

Answer 24

shows delocalized electrons, moving freely throughout the piece of metal

Question 25

does metallic bonding have angles

Answer 25

no bond alges, non-directional, the electrons aren’t trapped in any bond