Molecular Shapes VSEPR Model 9.1-9.4

Question 1

B does not follow

Answer 1

the octect rule

Question 2

Molecular geometry

Answer 2

is the general shape of a molecule, as determined by the relative positions of the atomic nuclei

Question 3

electron domains

Answer 3

how many places are electon bonds or lone paries exsist around an atom

Question 4

valence-shell electron pair repulsion (VSEPR) model

Answer 4

predicts the shapes of molecules and ions by assuming that the valence shell electron pairs are arranged as far from one another as possible.

Question 5

a molecule with 2 electron domains will always be

Answer 5

liner ,with zero non bonding domains

Question 6

a molecule with 3 bonding domains and no nonbonding pairs will be

Answer 6

Trigonal planar,

Question 7

a molecule with 3 electron domains and 1 non bonding domain

Answer 7

trigonal planar(ED), bent (MG)

Question 8

a molecule with 4 electron domains and none non bonding domain

Answer 8

tetrahedral (ED), tetrahedral (MG)

Question 9

an molecule with 3 electron domains is ______ and has ___ types of molecular gemometry

Answer 9

Trigonal PLanar, 2 types

Question 10

an molecule with 4 electron domains is ______ and has ___ types of molecular gemometry

Answer 10

tetrahedral, 3 types

Question 11

an molecule with 5 electron domains is ______ and has ___ types of molecular gemometry

Answer 11

Trigonal bipyramidal 4types

Question 12

an molecule with 6 electron domains is ______ and has ___ types of molecular gemometry

Answer 12

octahedral 3types

Question 13

a molecule with 4 electron domains and 1 non bonding domain

Answer 13

tetrahedral(ED), trigonal pyramidal MG)

Question 14

a molecule with 4 electron domains and 2 non bonding domain

Answer 14

tetrahedral(ED), Bent (MG)

Question 15

a molecule with 5 electron domains and none non bonding domain

Answer 15

trigonal pipyramidal(ED)and (MG)

Question 16

a molecule with 5 electron domains and 1 non bonding domain

Answer 16

trigonal bipyramidal(ED), seesaw (MG)

Question 17

a molecule with 5 electron domains and 2 non bonding domain

Answer 17

trigonal bipyramidal(ED), T-shaped (MG)

Question 18

a molecule with 5 electron domains and 3 non bonding domain

Answer 18

trigonal bipyramidal(ED), linear (MG)

Question 19

a molecule with 6 electron domains and none non bonding domain

Answer 19

octahedral (ED) and (MG)

Question 20

a molecule with 6 electron domains and 1 non bonding domain

Answer 20

octahedral (ED) square pyramidal(MG)

Question 21

a molecule with 6 electron domains and 2 non bonding domain

Answer 21

octahedra; (ED) square planar (MG)

Question 22

in linear domains the bond angle is

Answer 22

180

Question 23

Nonbonding pairs are______ than bonding pairs.

Therefore, their repulsions are greater; so…

Answer 23

physically larger ,this tends to decrease bond angles in a molecule.

Question 24

Double and triple bonds place _______ on one side of the central atom than do single bonds.
Therefore,

Answer 24

greater electron density. they also affect bond angles.

Question 25

when drawing the MG for trigonal bi pyramidal where do you add lone pairs

Answer 25

on the equatorial plane

Question 26

when drawing the MG for octahedral where do you add lone pairs

Answer 26

on the axial plane