Electrons, Bonds And Molecular Properties Worksheet With Answer Key Page 2

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2
CHAPTER 1
SkillBuilder 1.2 Drawing the Lewis Dot Structure of an Atom
STEP 1 - DETERMINE THE NUMBER
STEP 2 - PLACE ONE ELECTRON
STEP 3 - IF THE ATOM HAS MORE THAN FOUR
OF VALENCE ELECTRONS
BY ITSELF ON EACH SIDE OF
VALENCE ELECTRONS, PAIR THE REMAINING
THE ATOM
ELECTRONS WITH THE ELECTRONS ALREADY DRAWN
Nitrogen is in Group ___ of the
periodic table, and is expected
to have ___ valence electrons.
SkillBuilder 1.3 Drawing the Lewis Structure of a Small Molecule
STEP 2 - FIRST CONNECT
STEP 3 - CONNECT THE
STEP 4 - PAIR ANY UNPAIRED
STEP 1 - DRAW THE LEWIS
ELECTRONS, SO THAT EACH
ATOMS THAT FORM
HYDROGEN ATOMS
DOT STRUCTURE OF EACH
ATOM ACHIEVES AN OCTET
MORE THAN ONE BOND
ATOM IN CH
O
2
SkillBuilder 1.4 Calculating Formal Charge
STEP 1 - DETERMINE THE APPROPRIATE
STEP 2 - DETERMINE THE NUMBER OF
STEP 3 - ASSIGN A FORMAL
NUMBER OF VALENCE ELECTRONS
VALENCE ELECTRONS IN THIS CASE
CHARGE TO THE NITROGEN ATOM
IN THIS CASE
In this case, the
Nitrogen is in
H
H
nitrogen atom is
Group ___ of the
using only ___
periodic table,
H
N
H
H
N
H
valence electrons.
and is expected
to have ___
H
H
valence electrons.
SkillBuilder 1.5 Locating Partial Charges
STEP 1 - CIRCLE THE BONDS BELOW
STEP 2 - FOR EACH POLAR COVALENT BOND,
STEP 3 - INDICATE THE LOCATION OF ALL
THAT ARE POLAR COVALENT
DRAW AN ARROW THAT SHOWS THE
PARTIAL CHARGES ( δ + and δ- )
DIRECTION OF THE DIPOLE MOMENT
H
H
H
H
C
O H
H
C
O
H
H
C
O
H
H
H
H
SkillBuilder 1.6 Identifying Electron Configurations
STEP 1 - IN THE ENERGY
STEP 2 - FILL IN THE BOXES BELOW WITH THE
DIAGRAM SHOWN HERE,
NUMBERS THAT CORRECTLY DESCRIBE THE
2p
DRAW THE ELECTRON
ELECTRON CONFIGURATION OF NITROGEN
CONFIGURATION OF
2s
NITROGEN (USING
ARROWS TO REPRESENT
1s
2s
2p
1s
ELECTRONS).
Nitrogen
SkillBuilder 1.7 Identifying Hybridization States
A CARBON ATOM WITH
A CARBON ATOM WITH
A CARBON ATOM WITH A
FOUR SINGLE BONDS
ONE DOUBLE BOND WILL
TRIPLE BOND WILL BE
WILL BE _____ HYBRIDIZED
BE _____ HYBRIDIZED
_____ HYBRIDIZED
C
C
C

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