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Lab 6 Molecular Geometry CHEM101L

by | Jun 8, 2022 | Chemistry | 0 comments

by | Jun 8, 2022 | Chemistry | 0 comments

Lab 6 Molecular Geometry CHEM101L

Lab 6 Molecular Geometry CHEM101L

Student Name: Click here to enter text. Access Code (located on the lid of your lab kit):

Pre-Lab Questions:

1. Describe the difference between valence and core electrons.

2. What is the octet rule and which elements obey the octet rule?

3. How does VSEPR affect the shape of molecules?

4. What effect does the presence of lone-pair electrons have on the bond angles in a molecule?

Experiment 1: Molecular Models of Neutral Molecules

Part 1: Periodic Table

Table 1: Lewis Dot Structures

Element

Symbol

Group Number

Valence Electrons

Lewis Dot Structure

Hydrogen

(Upload photo below)

Carbon

(Upload photo below)

Chlorine

(Upload photo below)

Aluminum

(Upload photo below)

Oxygen

(Upload photo below)

Fluorine

(Upload photo below)

Neon

(Upload photo below)

Nitrogen

(Upload photo below)

Table 1 Upload of Lewis Dot Structure Sketches with your name and access code handwritten in the background:

Part 2: Construction of Molecules

Table 2

Molecule (central atom is underlined)

Sketch of Lewis Dot Structure

Shape Name

Bond Angle

Structure

Bond Angle

CO2

(Upload photo below)

Linear

AlCl3

(Upload photo below)

Trigonal Planar

H2O

(Upload photo below)

Bent

NH3

(Upload photo below)

Trigonal pyramidal

CCl4

(Upload photo below)

Tetrahedral

PCl5

(Upload photo below)

Trigonal bipyramidal

SF6

(Upload photo below)

Octahedral

Table 2 Upload of Lewis Dot Structure Sketches and Molecular Models (Table 2a) with your name and access code handwritten in the background:

Table 2 Upload of Lewis Dot Structure Sketches and Molecular Models (Table 2b) with your name and access code handwritten in the background:

Post-Lab Questions:

1. Should all of the angles in methane (CH4) be equal? Why or why not?

2. What additional information does the VSEPR theory give you beyond electron dot structures, in terms of molecular structure?

3. Sketch the molecular shape of the following compounds. Be sure to label the bond angles. Upload the photo below.

Table 3

Compound

H2

Cl2

SO2

NH3

MoF6

Table 3 Upload of molecular shape sketches with your name and access code handwritten in the background:

.

.

N

H

H

H

C

C

l

C

l

C

l

C

l

P

C

l

C

l

C

l

C

l

C

l

S

F

F

F

F

F

F

C

O

O

A

l

C

l

C

l

C

l

O

H

H

:

.

.

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CHEM101LLab6.docx
Home>Chemistry homework help>Chemistry
Lab 6 Molecular Geometry CHEM101L

Student Name: Click here to enter text. Access Code (located on the lid of your lab kit):

Pre-Lab Questions:

1. Describe the difference between valence and core electrons.

2. What is the octet rule and which elements obey the octet rule?

3. How does VSEPR affect the shape of molecules?

4. What effect does the presence of lone-pair electrons have on the bond angles in a molecule?

Experiment 1: Molecular Models of Neutral Molecules

Part 1: Periodic Table

Table 1: Lewis Dot Structures

Element

Symbol

Group Number

Valence Electrons

Lewis Dot Structure

Hydrogen

(Upload photo below)

Carbon

(Upload photo below)

Chlorine

(Upload photo below)

Aluminum

(Upload photo below)

Oxygen

(Upload photo below)

Fluorine

(Upload photo below)

Neon

(Upload photo below)

Nitrogen

(Upload photo below)

Table 1 Upload of Lewis Dot Structure Sketches with your name and access code handwritten in the background:

Part 2: Construction of Molecules

Table 2

Molecule (central atom is underlined)

Sketch of Lewis Dot Structure

Shape Name

Bond Angle

Structure

Bond Angle

CO2

(Upload photo below)

Linear

AlCl3

(Upload photo below)

Trigonal Planar

H2O

(Upload photo below)

Bent

NH3

(Upload photo below)

Trigonal pyramidal

CCl4

(Upload photo below)

Tetrahedral

PCl5

(Upload photo below)

Trigonal bipyramidal

SF6

(Upload photo below)

Octahedral

Table 2 Upload of Lewis Dot Structure Sketches and Molecular Models (Table 2a) with your name and access code handwritten in the background:

Table 2 Upload of Lewis Dot Structure Sketches and Molecular Models (Table 2b) with your name and access code handwritten in the background:

Post-Lab Questions:

1. Should all of the angles in methane (CH4) be equal? Why or why not?

2. What additional information does the VSEPR theory give you beyond electron dot structures, in terms of molecular structure?

3. Sketch the molecular shape of the following compounds. Be sure to label the bond angles. Upload the photo below.

Table 3

Compound

H2

Cl2

SO2

NH3

MoF6

Table 3 Upload of molecular shape sketches with your name and access code handwritten in the background:

.

.

N

H

H

H

C

C

l

C

l

C

l

C

l

P

C

l

C

l

C

l

C

l

C

l

S

F

F

F

F

F

F

C

O

O

A

l

C

l

C

l

C

l

O

H

H

:

.

.

Applied Sciences
Architecture and Design
Biology
Business & Finance
Chemistry
Computer Science
Geography
Geology
Education
Engineering
English
Environmental science
Spanish
Government
History
Human Resource Management
Information Systems
Law
Literature
Mathematics
Nursing
Physics
Political Science
Psychology
Reading
Science
Social Science
Home
Homework Answers
Blog
Archive
Tags
Reviews
Contact
twitterfacebook
Copyright © 2021 SweetStudy.com

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