Chem 7.1 Molecular Geometry

Question 0

How many dimensions does a Lewis structure have

Answer 0

2

Question 1

What does the shape of the molecule determine

Answer 1

The chemical and physical/biological properties of the substance

Question 2

How many dimensions does the actual molecule have

Answer 2

3D

Question 3

What is the shape of a molecule determined by

Answer 3

How many electron domains are around the molecule’s central atom

Question 4

What 4 things qualify as an electron domain

Answer 4

Lone pair
Single bond
Double bond
Triple bond

Question 5

How many electron domains and what type does a tetrahedral form

Answer 5

4 bonding

Question 6

How many electron domains and what type does a trigonal pyramid form

Answer 6

3 bonding, 1 lone pair

Question 7

How many electron domains and what type does a bent molecule form

Answer 7

2 bonding, 2 lone pairs

Question 8

How many electron domains and what type do trigonal planar molecules form

Answer 8

3 bonding 0 lone pair

Question 9

How many electron domains and what type do other bent molecules form

Answer 9

2 bonding, 1 lone pair

Question 10

How many electron domains and what type do linear molecules form

Answer 10

2 bonding, 0 lone pairs

Question 11

Molecules with 4 e domains have a bond angle of

Answer 11

109.5°

Question 12

Molecules with 3 e domains have a bond angle of

Answer 12

120°

Question 13

Molecules with 2 e domains have a bond angle of

Answer 13

180°

Question 14

The geometry of molecules can be predicted using the _________ theory

Answer 14

VSEPR

valence shell electron pairs repel

Question 15

Why do electron domains around the central atom repel each other

Answer 15

Like charges

Question 16

Electron domains want to get as ____________________ from each other as possible so as to ____________ repulsion

Answer 16

As far away

Minimize

Question 17

How many electron domains and what type do trigonal bipyramids have

Answer 17

5 bonding e domains

0 lone pair domains

Question 18

What two things do trigonal bipyramids have

Answer 18

Equatorial and axial

Question 19

How many electron domains and what type are in a seesaw molecule

Answer 19

4 bonding

1 lone pair

Question 20

How many electron domains and what type do a t shaped molecule have

Answer 20

3 bonding

2 lone pairs

Question 21

How many electron domains and what type of an octahedral molecules, and angles?

Answer 21

6 bonding
0 lone pairs
90°

Question 22

How many electron domains and what type in a square pyramid molecule

Answer 22

5 bonding and 1 lone pair

Question 23

How many electron domains and what type in a sq pyramid

Answer 23

4 bonding

2 lone pairs