Step 1: Find the Total Number of Valence Electrons. ... Step 2: Find the Number of Electrons Needed to Make the Atoms "Happy" ... Step 4: Choose a Central Atom. ... Step 5: Draw a Skeletal Structure. ... Step 6: Place Electrons Around Outside Atoms. ... Step 7: Place Remaining Electrons Around the Central Atom.
Answers & Comments
Answer:
The electron-dot structure of
C
O
2
is:
Both oxygen and carbon share their two electrons to form a covalent bond in carbon dioxide,
C
O
2
.
(ii) The electron-dot structure of
M
g
O
is:
Magnesium donates its two electrons to the oxygen atom to form an ionic bond in magnesium oxide,
M
g
O
(iii) The electron-dot structure of
H
2
O
is:
The oxygen atom shares its one electron with each hydrogen atom to form a covalent bond in the water molecule.
(iv) The electron-dot structure of
H
C
I
is:
The hydrogen atom shares its one electron with a chlorine atom to form a covalent bond.
(v) The electron-dot structure of
M
g
C
l
2
is:
The magnesium atom transfers its one electron to each chlorine atom to form an ionic bond.
Answer:
How to Draw a Lewis Structure
Step 1: Find the Total Number of Valence Electrons. ... Step 2: Find the Number of Electrons Needed to Make the Atoms "Happy" ... Step 4: Choose a Central Atom. ... Step 5: Draw a Skeletal Structure. ... Step 6: Place Electrons Around Outside Atoms. ... Step 7: Place Remaining Electrons Around the Central Atom.