BONDING
REVIEW
You need a Periodic Table,
Electronegativity table &
Polarity chart!
What is the correct bond
angle for “Bent” – with 2
lone pairs on the central
atom?
105
What is the predicted bond
angle for the following
compound?
109.5
Write the electron dot
notation for sulfur.
S
How many valence electrons
does CO3-2have?
24
When predicting bond
types, list the range for
ionic.
1.7
and higher
What type of melting &
boiling points do molecular
compounds have?
Low
melting & boiling points
Are the IM forces (strong
or weak) in ionic
compounds?
Strong
Where are valance
electrons found?
Outermost
energy level
What is an isomer?
Compounds
with the same
molecular formula, but
different structural
formulas
______ is the measure of
the ability of an atom to
attract electrons.
Electronegativity
A(n) __________ compound
requires less energy (lower
temp.) to break weak IM
forces between particles
Molecular
A single bond is a covalent
bond produced by the
sharing of _____pair of
electrons between two
atoms
one
Assign partial charges for
the following pair of atoms:
N and O
N-O
Note: O gets the – b/c it has a
higher electronegativity value!
_______ are forces of
attraction between
adjacent particles
(molecules, atoms, or ions)
Intermolecular
Forces
What is the predicted bond
angle for the following
compound?
180
What is the molecular
geometry of the following?:
Trigonal
planar
A chemical bond resulting
from electrostatic
attraction between positive
and negative ions is a(n)
_______
IONIC
BOND
What is the predicted bond
angle for the following
compound?
120
What is the probable bond
type for K and F?
0.8-4.0
= 3.2 difference
so it’s IONIC
What is the correct bond
angle for “tetrahedral”?
109.5
How many valence electrons
does NH4+1have?
8
Are the IM forces (strong
or weak) in molecular
compounds?
Weak
How many electrons does
hydrogen need in order to
be considered stable?
2
________ is a covalent
bond in which the bonding
electrons are shared
equally by the bonded
atoms
NONPOLAR
covalent
What are the following
considered?:
H2, O2, N2, Cl2, Br2, I2,
and F2
naturally
occurring Diatomic
molecules
What is the predicted bond
angle for the following
compound?
120
MgF2
What is the ratio between
the ions?
1Mg
: 2 F
A triple bond is a covalent
bond produced by the
sharing of _____pairs of
electrons between two
atoms
THREE
What is the molecular
geometry of the following?:
Tetrahedral
When predicting bond
types, list the range for
polar covalent.
0.3-1.7
What is the molecular
geometry of the following?:
Linear
A - is assigned to the
atom with the
_______electronegativity
Highest
Ionic compounds contain what
type(s) of element(s)?
Metals
and nonmetals
A(n) __________ compound
requires more energy
(higher temp.) to break
strong IM forces between
particles
Ionic
What phase(s) of matter
would you most likely find
ionic compounds?
SOLIDS
________ is the simplest
collection of atoms from
which an ionic compound’s
formula can be established
Formula
unit
What is the molecular
geometry of the following:
Trigonal
pyramidal
What is the correct bond
angle for “Bent” – with 1
lone pair on the central
atom?
120
Molecular substances
usually involve only what
type of elements?
NONMETALS
What type of melting &
boiling points do ionic
compounds have?
High
melting & boiling
points
Chemical compounds tend to form so
that each atom (by gaining, losing, or
sharing electrons) contains eight
electrons in its outermost occupied main
energy level is known as the
_______________
Octet
Rule
Write the electron dot
notation for lithium.
Li
What is the predicted bond
angle for the following
compound?
105
What type of bond is
illustrated in the picture?
Polar
Covalent Bond
+
-
__________are electrons
involved in bonding.
VALANCE
Electrons
_______ is a neutral group
of atoms held together by
covalent bonds
Molecule
What is the correct bond
angle for “trigonal
pyramidal”?
107
What is the probable bond
type for H and C?
2.1-2.5
= 0.4 difference so
it’s POLAR COVALENT
______ is a molecule
containing only two atoms
Diatomic
molecule
What is the correct bond
angle for “trigonal planar”?
120
_____ is an electron pair
NOT involved in bonding
Lone
pair
What is the molecular
geometry of the following?:
Bent
______ is an electron pair
involved in bonding
Bond
pair
A double bond is a covalent
bond produced by the
sharing of _____pairs of
electrons between two
atoms
TWO
List the 3 elements that
are exceptions to the octet
rule.
H,
Be, B
What phase(S) of matter
would you find molecular
substances?
Solids,
liquids, gases
What two items needs to
be added to the electron
dot/structural formulas for
polyatomic ions?
Bracket
Charge
What is the predicted bond
angle for the following
compound?
107
When predicting bond
types, list the range for
nonpolar covalent.
0-0.3
What is the correct bond
angle for “linear”?
180
_________ is a covalent
bond in which the bonding
electrons are shared
unequally by the bonded
atoms
POLAR
covalent
What is the probable bond
type for H and H?
2.1-2.1=
0 difference so it’s
NONPOLAR COVALENT
A chemical bond resulting
from the sharing of
electrons between two
atoms is _______
Covalent
Bond
What type of bond is
illustrated in the picture?
Nonpolar
Covalent Bond
Use electron-dot formulas
to illustrate the formation
of ionic bonds involving Ca
and F.
Ca + F + F 
Ca+2 + F-1 + F-1
CaF2
Is this molecule Polar or
Nonpolar?
Cl2O
You need to use your
polarity chart!
Polar
Is this molecule Polar or
Nonpolar?
NCl3
You need to use your
polarity chart!
Nonpolar