Lewis Diagrams For Ionic and Covalent Compounds
Jan 12, 2016
Lewis Diagrams For Ionic and
Covalent Compounds
First, we’ll consider the ionic compound strontium fluoride.
First, we’ll consider the ionic compound strontium fluoride.
First, we’ll consider the ionic compound strontium fluoride.
Sr
First, we’ll consider the ionic compound strontium fluoride.
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
Strontium fluoride will be an ionic compound
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
Electrons will be transferred from the metal to the non-metal atoms.
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+–
First, we’ll consider the ionic compound strontium fluoride.
Sr FFFluoride ion
2+–
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+–
Fluoride ion
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+– –
Fluoride ion
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+– –
Lewis Diagram for Strontium
Fluoride
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+– –
Has a Stabl
e Octet
Has a Stabl
e Octet
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+– –
Has no valence electron
s left
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+– –
Formula for strontium fluoride is
First, we’ll consider the ionic compound strontium fluoride.
Sr FF2+– –
Formula for strontium fluoride is SrF2
Now we’ll do another example. This time we’ll draw the Lewis diagram for the ionic compound potassium sulphide.
Draw the Lewis diagram for the ionic compound potassium sulphide.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK KI need to gain
1 e– here.
I need to gain1 e– here.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK KI need to gain
1 e– here.
I need to gain1 e– here.
I can lose this one valence e–.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK KThe compound formed will be ionic.Electrons will be transferred, NOT shared.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK KThe compound formed will be ionic.Electrons will be transferred, NOT shared.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK KThe compound formed will be ionic.Electrons will be transferred, NOT shared.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK KA
potassium cation
+ +
A potassium
cation
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K+ +
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK KA
sulphide anion
+ +2–
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K
The Lewis Diagram for Potassium
Sulphide
+ +2–
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K+ +2–
There are 2 potassium ions for every sulphide ion, so the formula for potassium sulphide is K2S.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K+ +2–
There are 2 potassium ions for every sulphide ion, so the formula for potassium sulphide is K2S.
Draw the Lewis diagram for the ionic compound potassium sulphide.
SK K+ +2–
There are 2 potassium ions for every sulphide ion, so the formula for potassium sulphide is K2S.
Lewis diagrams can also be used to show the formation of covalent compounds.
Lewis diagrams can also be used to show the formation of covalent compounds. In this example, we’ll show how the covalent compound hydrogen selenide is formed.
H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
Hydrogen can either lose, or share its valence e–.
We’ll show how the covalent compound hydrogen selenide is formed.When hydrogen forms a compound with selenium, the compound, in the gaseous form, is found to be covalent.
We’ll show how the covalent compound hydrogen selenide is formed.When hydrogen forms a compound with selenium, the compound, in the gaseous form, is found to be covalent. So in this case hydrogen shares its valence electron rather than losing it.
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
HA hydrogen
atom with one valence e–
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
HA Se atom with 6
valence e–’s
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
HThis electron will be SHARED, not lost!
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
I need to gain 1 e–
here.
I need to gain 1 e–
here.
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
Another hydrogen atom
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
HThe entire atoms will move, rather than just their electrons.
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
Se
H
H
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
H
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
H
These 2 valence e–’s are shared between
Se and H
These 2 valence e–’s are shared between
Se and H
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
H
A COVALENT bond
A COVALENT bond
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
H
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
HA
stable
octet
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
HThis H feels the same electron
arrangement as Helium
This H feels the same electron
arrangement as Helium
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
HThe Lewis Diagram for hydrogen selenide
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
H
These shared electron pairs can be replaced by lines
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
H
Like this!
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
H
Each one of these lines is called asingle covalent bond
We’ll show how the covalent compound hydrogen selenide is formed.
SeH
HSeH
HThe Lewis Diagram
for hydrogen selenide
In this example, we’ll see how Lewis diagrams can be used to show how the covalent compound of phosphorus and chlorine forms. The compound is called phosphorus trichloride.
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Lone pair
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Unpaired e –Unpaired e –
Unpaired e–
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
ClUnp
aire
d e
–
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Unp
aire
d e
–
Unpaired e–
Unpaired e –
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl Cl
Cl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
The formula for this compound is PCl3, and its name is phosphorus
trichloride
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
The formula for this compound is PCl3, and its name is phosphorus
trichloride
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
The formula for this compound is PCl3, and its name is phosphorus
trichloride
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl The
phosphorus atom has a stable octet
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
The 3 chlorine atoms each
have a stable octet
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
There are 3 covalent bonds in which a pair of electrons is shared
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
These shared electron pairs can be replaced
by single lines.
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
These shared electron pairs can be replaced
by single lines.
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
PCl ClCl
Using Lewis diagrams, show how phosphorus trichloride forms from its atoms.
PCl ClCl
PCl ClClLewis Diagram of
Phosphorus Trichloride, PCl3
Lewis Diagrams Showing Double and
Triple Covalent Bonds
Oxygen is a Diatomic ElementIts formula is O2
Oxygen is a Diatomic ElementIts formula is O2
Oxygen is a Diatomic Element. Its formula is O2
Oxygen is a Diatomic Element. Its formula is O2
O
Oxygen is a Diatomic Element. Its formula is O2
OUnpaire
d
e–
Unpaire
d
e–
Oxygen is a Diatomic Element. Its formula is O2
OUnpaire
d
e–
Unpaire
d
e–
OUnpaire
d
e–
Unpaired
e –
Oxygen is a Diatomic Element. Its formula is O2
O OUnpaired electrons
Unpaired electrons
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O
Oxygen is a Diatomic Element. Its formula is O2
O O2 pairs of
electrons are being shared
Oxygen is a Diatomic Element. Its formula is O2
O OThe Lewis Diagram foran oxygen molecule, O2
Oxygen is a Diatomic Element. Its formula is O2
O OEach shared pair of electrons
is replaced by a line
Oxygen is a Diatomic Element. Its formula is O2
O OEach shared pair of electrons
is replaced by a line
Oxygen is a Diatomic Element. Its formula is O2
O OThis is called a
double covalent bond
Oxygen is a Diatomic Element. Its formula is O2
O OO OThe Lewis Diagram foran oxygen molecule, O2
Nitrogen is a Diatomic Element
Its formula is N2
Nitrogen is a Diatomic Element. Its formula is N2
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N Nlonepair
lonepair
Nitrogen is a Diatomic Element. Its formula is N2
N N3 unpairedelectrons
3 unpairedelectrons
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N N
Nitrogen is a Diatomic Element. Its formula is N2
N NThe Lewis Diagram for a molecule of
N2
Nitrogen is a Diatomic Element. Its formula is N2
N NHas a stable octet
Nitrogen is a Diatomic Element. Its formula is N2
N NHas a stable octet
Nitrogen is a Diatomic Element. Its formula is N2
N NThese 3 pairs of
electrons are
shared
Nitrogen is a Diatomic Element. Its formula is N2
N NWe have
3 parallel
lines
Nitrogen is a Diatomic Element. Its formula is N2
N NA triple covalent
bond
Nitrogen is a Diatomic Element. Its formula is N2
N NA triple covalent
bond
Nitrogen is a Diatomic Element. Its formula is N2
N NN NThe Lewis Diagram for a molecule of
N2