Transcript Entry Task: Oct 19th Friday

Entry Task: Oct
nd
22
Grab a Clicker
Calculator
Scratch paper
Equation sheet
Monday
Agenda
• Review Ch. 6-9
Clicker Questions
Chapter 6
What is the frequency of a wave
which has a wavelength of 0.156
nm
x1
09
25%
1.
92
x1
08
25%
0.
46
8
x1
09
25%
1.
92
5.2 x 10-10
1.92 x 109
0.468 x 108
1.92 x 10-9
5.
2
0
of
30
1.
2.
3.
4.
x1
010
25%
25%
25%
Ye
llo
ue
Bl
le
t
Violet
Blue
Yellow
Red
Vi
o
0
of
30
1.
2.
3.
4.
25%
Re
d
25%
w
Which color of visible light has
the least amount of energy per
photon?
As the principal energy level increases in
an atom's orbitals, the average distance
of an electron energy level from the
nucleus ______________.
ie
s
25%
va
r
sa
m
e
25%
th
e
se
s
ea
25%
De
cr
ea
se
s
25%
Increases
Decreases
stays the same
varies
In
cr
0
of
30
1.
2.
3.
4.
The probability map for an electron is
called
ct
ro
n
m
ita
ap
l
25%
Ele
co
ro
n
ct
Ele
25%
or
b
.
25%
nf
i..
or
bi
t
An orbit
Electron configuration
orbital
Electron map
An
0
of
30
1.
2.
3.
4.
25%
A given set of f orbitals consists of
______________ orbital(s).
25%
25%
9
25%
7
25%
5
3
5
7
9
3
0
of
30
1.
2.
3.
4.
The maximum number of electrons
allowed in each of the d orbitals is
25%
25%
25%
18
8
4
2
4
8
18
2
0
of
30
1.
2.
3.
4.
25%
The maximum number of electrons
allowed in the p sublevel of the third
principal level is
25%
25%
18
25%
8
25%
6
2
6
8
18
2
0
of
30
1.
2.
3.
4.
Phosphorus has how many electrons
in its outermost principal energy
level?
25%
25%
15
25%
5
25%
3
2
3
5
15
2
0
of
30
1.
2.
3.
4.
The electron configuration for the
sulfur atom is
1s22s22p63s23p2
1s22s22p63s23p4
1s22s22p63s5
1s22s22p63s23p5
25% 25% 25% 25%
1s
22
s2
2p
63
s2
3p
.. .
1s
22
s2
2p
63
s2
3p
.. .
1s
22
s2
2p
63
s5
1s
22
s2
2p
63
s2
3p
.. .
0
of
30
1.
2.
3.
4.
25%
25%
25%
18
25%
14
2
8
14
18
2
0
of
30
1.
2.
3.
4.
8
How many electrons are in the third
principal energy level (n = 3) of one
atom of Fe?
Clicker Questions
Chapter 7
The first Periodic Table was created
by
1.
2.
3.
4.
25% 25% 25% 25%
Amadeo Avogadro.
Dmitri Mendeleev.
Henry Moseley.
Ernest Rutherford.
rf.
..
y.
Er
n
es
tR
ut
he
os
el
e
M
He
nr
y
iM
itr
Dm
Am
ad
eo
Av
og
en
de
ad
r
le
...
...
0
of
30
The effective nuclear charge felt by an
atom’s valence electrons (X) going from
left to right and (Y) going down a
column on the Periodic Table.
1.
2.
3.
4.
X = increases
X = increases
X = decreases
X = decreases
Y = increases
Y = decreases
Y = increases
Y = decreases
25%
25%
0
of
30
25%
25%
X = increases Y...
X = increases Y...
X = decreases Y...
X = decreases Y...
The correct order of increasing
atomic radius (smallest  largest)
is
1.
2.
3.
4.
Na < Mg < K < Rb.
Mg < Na < K < Rb.
Rb < K < Na < Mg.
Rb < K < Mg < Na.
25%
25% 25%
25%
<.
..
...
<M
g
a<
Rb
<K
Rb
<K
<N
K
<
Na
g<
M
Na
<M
g<
K
<
<
...
...
0
of
30
The statements below refer to ionic
radii. Which statement is FALSE?
1.
2.
3.
4.
Br1– is larger than Cl1–.
Se2– is larger than Br1–.
K1+ is larger than Ca2+.
Na1+ is larger than K1+.
25%
25%
25%
25%
rg
er
...
. ..
Na
1+
is
la
rg
er
K1
+
is
la
la
is
Se
2–
Br
1–
is
la
rg
er
...
rg
er
...
0
of
30
Two ions are isoelectronic if they
have the same
1.
2.
3.
4.
charge.
number of protons.
number of electrons.
number of neutrons.
25% 25% 25% 25%
eu
t..
.
c..
.
of
n
be
r
nu
m
nu
m
be
r
of
e
le
ro
t. .
.
be
ro
fp
nu
m
ch
a
rg
e.
0
of
30
The minimum energy needed to
remove an electron from an atom in
its ground state is called the atom’s
1.
2.
3.
4.
potential energy.
activation energy.
electron affinity.
ionization energy.
25%
25% 25%
25%
io
n
za
t
io
ni
on
ec
tr
el
en
af
fin
e.
..
...
en
e.
..
io
n
ac
t iv
at
po
te
n
t ia
le
ne
r. .
.
0
of
30
The energy change that occurs
when an electron is added to an
atom is called the atom’s
1.
2.
3.
4.
potential energy.
activation energy.
electron affinity.
ionization energy.
25%
25% 25%
25%
io
n
za
t
io
ni
on
ec
tr
el
en
af
fin
e.
..
...
en
e.
..
io
n
ac
t iv
at
po
te
n
t ia
le
ne
r. .
.
0
of
30
The correct order of increasing first
ionization energy (smallest 
largest) is
1.
2.
3.
4.
Na < Ca < Al < Sn.
Na < Al < Ca < Sn.
Na < Al < Sn < Ca.
Ca < Na < Sn < Al.
25%
25%
25%
25%
<.
..
Sn
<.
..
<N
Ca
Na
<A
l<
a<
Sn
Ca
l<
<A
Na
Na
<C
a<
Al
<
<.
..
...
0
of
30
The correct order of increasing
electron affinity (most negative 
least negative) is
1.
2.
3.
4.
O < Cl < B < C.
O < Cl < C < B.
Cl < O < C < B.
Cl < O < B < C.
25%
25%
25%
25%
...
<C
B.
..
O
Cl
<
Cl
<
O
<C
<B
<
B.
..
Cl
<
<
O
O
<
Cl
<
C
B
<
<C
...
0
of
30
Most metal oxides form _______
solutions when dissolved in water.
1.
2.
3.
4.
acidic
basic
neutral
amphoteric
25%
25%
25%
25%
r ic
am
ph
ot
e
l
ne
ut
ra
ba
sic
ac
id
ic
0
of
30
Most nonmetal oxides form
_______ solutions when dissolved
25% 25% 25% 25%
in water.
1.
2.
3.
4.
acidic
basic
neutral
amphoteric
am
ph
ot
e
r ic
l
tra
ne
u
ba
sic
ac
id
ic
0
of
30
A soft gray solid reacts with water
to form a flammable gas and a
basic solution. The solid is most
likely to be a
25% 25% 25% 25%
1.
2.
3.
4.
noble gas.
halogen.
group IIA metal.
transition metal.
...
ns
iti
o
tra
I IA
up
gr
o
n
m
m
et
et
a.
..
.
og
en
ha
l
no
bl
e
ga
s.
0
of
30
Ozone is an allotrope of which
element?
25% 25% 25%
1.
2.
3.
4.
25%
hydrogen
oxygen
sulfur
chlorine
e
or
in
ch
l
fu
r
su
l
n
ox
yg
e
hy
dr
o
ge
n
0
of
30
Unknown solid X turns a Bunsen
burner flame green and produces a
purple color on reaction with
NaOCl. X is
25% 25% 25% 25%
Br
2.
d.
Sr
Sr
I2
.
Ba
Br
2.
BaI2.
BaBr2.
SrI2.
d. SrBr2.
Ba
I2
.
0
of
30
1.
2.
3.
4.
The noble gases
1.
2.
3.
4.
are monatomic.
have filled s and p subshells.
are generally unreactive. 25%
d. All of the above.
25%
25%
25%
a.
..
...
he
ly
d.
Al
lo
ft
al
ge
ne
r
ar
e
ed
ef
ill
ha
v
ar
e
m
on
at
om
s.
ic .
..
0
of
30
Clicker Questions
Chapter 8
The two types of chemical bonds
commonly found in compounds are
1.
2.
3.
4.
doric and covalent.
25%
ionic and electrolytic.
ionic and covalent.
electrolytic and compound.
25% 25% 25%
a.
..
a.
..
el
ec
tr
ol
y
tic
co
v
io
ni
ca
nd
el
nd
ca
io
ni
do
r
ic
a
nd
co
va
.. .
ec
. ..
0
of
30
The Lewis symbol for a sulfur atom
includes how many dots?
1.
2.
3.
4.
5
6
7
8
25%
25%
25%
25%
8
7
6
5
0
of
30
The octet rule states that atoms
tend to gain, lose, or share
electrons until they have _______
valence electrons.
25%
25%
8
25%
7
25%
6
5
6
7
8
5
0
of
30
1.
2.
3.
4.
Which compound below has the
largest lattice energy?
1.
2.
3.
4.
NaCl
KBr
CaO
CsI
25%
25%
25%
25%
Cs
I
Ca
O
KB
r
Na
C
l
0
of
30
When a transition metal atom forms
a +1 ion, it loses an electron from
what type of orbital? 25% 25% 25% 25%
1.
2.
3.
4.
s
p
d
f
f
d
p
s
0
of
30
Which choice below correctly lists
the elements in order of increasing
electronegativity (least  most) ?
1.
2.
3.
4.
25%
C<N<O<F
N<C<O<F
N<C<F<O
C<N<F<O
25%
25%
25%
O
C
<N
<
F<
N
<C
<
F<
O
F
<
O
<
<C
N
C
<N
<
O
<
F
0
of
30
Which choice below correctly lists
the elements in order of increasing
electronegativity (least  most) ?
1.
2.
3.
4.
F < Cl < Br < I
F < Cl < I < Br
I < Cl < Br < F
I < Br < Cl < F
25%
25%
25%
25%
. ..
..
Cl
<
<.
<
Br
I<
Br
<
Cl
I<
Cl
F<
F<
Cl
<
<
Br
I<
<
...
B.
..
0
of
30
The carbon disulfide (CS2) molecule
has
1.
2.
3.
4.
0
of
30
two single bonds.
two double bonds.
a single bond and a double bond.
a single bond and a triple bond.
25%
25%
25%
25%
two single bonds.
two double bonds.
a single bond and...
a single bond and...
The hydrogen cyanide (HCN)
molecule has
1.
2.
3.
4.
0
of
30
two single bonds.
two double bonds.
a single bond and a double bond.
a single bond and a triple bond.
25%
25%
25%
25%
two single bonds.
two double bonds.
a single bond and...
a single bond and...
The formal charge on the nitrogen
atom in the nitrate ion (NO31–) is
1.
2.
3.
4.
+2
+1
0
–1
25%
25%
25%
25%
–1
0
1
2
0
of
30
1–)
The formate ion (HCO2 is
stabilized by resonance, which
suggests that the oxygen atoms’
formal charges are:
25% 25% 25% 25%
1.
2.
3.
4.
–1 and –1
0 and 0
–1 and 0
–1/2 and –1/2
d
an
–1
/2
–1
an
d
–1
/2
0
0
nd
0a
–1
an
d
–1
0
of
30
PF5
CH4
NBr3
OF2
25%
25%
25%
25%
OF
2
1.
2.
3.
4.
3
Which molecule below violates the
octet rule?
NB
r
CH
4
PF
5
0
of
30
Which molecule below has an
unpaired electron?
1.
2.
3.
4.
NO
NH3
BF3
PF5
25%
25%
25%
25%
PF
5
BF
3
NH
3
NO
0
of
30
For atoms X and Y, the bond
enthalpy of an X-Y bond is _______
the bond enthalpy of an X=Y bond.
1.
2.
3.
4.
0
of
30
greater than
less than
equal to
variable, depending on X and
Y
25%
25%
25%
greater than
25%
less than
equal to
variable, dependi...
For atoms X and Y, the bond length
of an X-Y bond is _______ the bond
length of an X=Y bond.
1.
2.
3.
4.
0
of
30
greater than
less than
equal to
variable, depending on X and
Y
25%
25%
25%
greater than
25%
less than
equal to
variable, dependi...
Clicker Questions
Chapter 9
The overall shape of a molecule is
determined by its
25% 25% 25% 25%
1.
2.
3.
4.
atoms.
bond angles.
Symmetry.
electron affinity.
...
.
el
ec
tr
on
af
fin
et
ry
Sy
m
m
s.
le
an
g
bo
nd
at
om
s.
0
of
30
If a central atom is surrounded by
six electron domains, the term used
to describe its fundamental
geometry is
.
dr
al
ra
he
ep
sq
ua
r
te
t
yr
am
id
dr
al
oc
t
ah
e
na
r
la
ep
...
.
.
square planar.
octahedral.
square pyramidal.
tetrahedral.
sq
ua
r
0
of
30
1.
2.
3.
4.
25% 25% 25% 25%
The geometry of the methane (CH4)
molecule is
25% 25% 25% 25%
1.
2.
3.
4.
linear.
trigonal bipyramidal.
trigonal planar.
tetrahedral.
.
te
t
ra
he
dr
al
a.
..
lan
al
p
tri
go
n
tri
go
n
al
b
lin
ea
r
ip
yr
. ..
.
0
of
30
The geometry of the phosphorus
trichloride (PCl3) molecule is
1.
2.
3.
4.
tetrahedral.
trigonal planar.
pyramidal.
trigonal bipyramidal.
25%
25%
25%
25%
ip
yr
. ..
.
al
tri
go
n
al
b
id
py
ra
m
a.
..
lan
al
p
tri
go
n
te
t
ra
he
dr
al
.
0
of
30
The geometry of the bromine
trifluoride (BrF3) molecule is
25% 25% 25% 25%
se
esa
ed
.
Tsh
ap
al
id
py
ra
m
a.
..
lan
al
p
w
sh
a
pe
d.
..
0
of
30
.
see-saw shaped.
trigonal planar.
pyramidal.
T-shaped.
tri
go
n
1.
2.
3.
4.
The geometry of the xenon
tetrafluoride (XeF4) molecule is
1.
2.
3.
4.
square planar.
tetrahedral.
see-saw shaped.
trigonal bipyramidal.
25% 25% 25% 25%
al
b
tri
go
n
sh
a
w
se
esa
ip
yr
. ..
pe
d.
..
dr
al
ra
he
te
t
sq
ua
r
ep
la
na
r
.
.
0
of
30
Formic acid (HCO2H) has an O-C-O
bond angle of (X) degrees and a CO-H bond angle of (Y) degrees.
1.
2.
3.
4.
X = 180, Y = 120
X = 120, Y = 109.5
X = 180, Y = 109.5
X = 109.5, Y = 109.5
25%
25%
25%
25%
=.
..
Y
=1
. ..
10
9.
5,
=
X
X
=
18
0,
Y
=1
. ..
12
0,
Y
=
X
X
=
18
0,
Y
=1
. ..
0
of
30
CH4
BBr3
SF6
NH3
25%
25%
25%
25%
NH
3
1.
2.
3.
4.
SF
6
Which molecule is polar?
r3
BB
CH
4
0
of
30
Which molecule is nonpolar?
1.
2.
3.
4.
CO2
SO2
IF3
IF5
25%
25%
25%
25%
IF5
IF3
SO
2
CO
2
0
of
30
The hybridization of the oxygen
atom in a water molecule is
25%
1.
2.
3.
4.
25%
25%
25%
sp.
sp2.
sp3.
sp3d.
sp
3d
.
sp
3.
sp
2.
sp
.
0
of
30
The central atom of which molecule
below is sp3 d-hybridized?
1.
2.
3.
4.
CH4
SO3
SeBr4
XeOF4
25%
25%
25%
25%
Xe
OF
4
r4
Se
B
SO
3
CH
4
0
of
30
A molecule of acetonitrile (CH3CN)
contains _______ sigma bonds.
1.
2.
3.
4.
2
3
4
5
25%
25%
25%
25%
5
4
3
2
0
of
30
A molecule of crotonaldehyde
(CH3CH=CH-CH=O) contains
_______ pi bonds.
1.
2.
3.
4.
1
2
3
4
25%
25%
25%
25%
4
3
2
1
0
of
30
How did we do?