Chemistry Pre-quiz - Spokane Public Schools

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Transcript Chemistry Pre-quiz - Spokane Public Schools

AP Bio Unit 1 Review
10.3.11
To Do:
1)Title
your page “Unit 1 Review”
2)Number down your page 1-23.
1) How many neutrons does the
isotope Na - 24 have?
0%
0%
0%
0%
13
4.
Na
22.99
Sodium
12
3.
11
23
2.
11
23
12
13
11
1.
2) How many protons and electrons
does Na have?
Na
22.99
Sodium
:1
13
:1
11
:1
0%
1
0%
1
0%
1
0%
12
4.
11
1
3.
11
11
11
11
:1
2.
23:
12:
11:
13:
23
1.
3) Nitrogen-12 and Nitrogen-14 are
examples of?
cu
le
m
ol
e
nc
e
le
va
0%
s
0%
s
0%
ot
op
es
0%
is
0%
s
5.
ut
ro
n
4.
ne
3.
ns
2.
ions
neutrons
isotopes
valences
molecules
io
1.
4) Determine if Sr is a metal or
nonmetal and what its ionic charge is
knowing its valence electrons.
38
0%
0%
+1
et
al
:
M
M
et
al
:
+2
et
al
:
0%
-1
0%
M
4.
Sr
87.62
Strontium
-2
3.
-2
+2
-1
+1
et
al
:
2.
Metal:
Metal:
Metal:
Metal:
M
1.
5) DNA is composed of building
blocks called _____.
0%
ac
in
o
en
in
e
s
id
s
0%
am
nu
cl
eo
G
tid
es
0%
ad
0%
s
0%
id
s
5.
ac
4.
c
3.
cl
ei
2.
nucleic acids
Gs
nucleotides
adenines
amino acids
nu
1.
6) What element is found in all
organic compounds?
tro
g
n
en
0%
ni
liu
he
0%
iro
0%
m
0%
en
0%
yg
5.
ox
4.
n
3.
rb
o
2.
carbon
oxygen
helium
iron
nitrogen
ca
1.
7) This atom can form up to _____
single covalent bond(s).
0%
0%
0%
0%
0%
4
5.
3
4.
2
3.
1
2.
0
1
2
3
4
0
1.
8) Which figure correctly illustrates bonding
in H2O?
1.
2.
3.
0%
0%
0%
0%
9) The brackets are indicating
a(n) _____ bond.
0%
0%
hy
dr
og
en
ic
ho
b
dr
op
ng
le
(n
o
np
ol
en
t
va
l
si
0%
...
0%
hy
0%
co
5.
la
r
4.
ni
c
3.
po
2.
ionic
polar covalent
single (nonpolar)
covalent
hydrophobic
hydrogen
io
1.
10) Each water molecule is joined to _____
other water molecules by ____ bonds.
la
r
...
0%
po
...
tw
o
ur
...
fo
...
re
e
th
po
l
io
n
ro
.
hy
d
ur
...
0%
ar
...
0%
i..
.
0%
..
0%
fo
5.
dr
og
...
4.
hy
3.
...
2.
two ... hydrogen
four ... hydrogen
three ... ionic
four ... polar covalent
two ... polar covalent
tw
o
1.
11) Why isn't this insect drowning?
.
in
se
e
Th
ju
..
ng
fly
i
is
ct
is
ct
e
Th
m
in
g
im
sw
ch
in
se
ffi
c
di
is
It
e.
..
an
g
lig
ct
ul
t
is
to
e
ve
r
y
te
ns
i
on
.
ht
.
0% 0% 0% 0% 0%
in
se
5.
e
4.
rfa
c
3.
Th
2.
Surface tension.
The insect is very light.
It is difficult to change the
temperature of water.
The insect is swimming.
The insect is flying just
above the water surface.
Su
1.
12) How does the pH of the solution on the right
compare with that of the solution on the left?
0%
o.
..
n
lu
tio
th
e
Th
e
so
of
ot
h
B
so
e
Th
se
o.
..
n
lu
tio
th
e
of
0%
...
0%
...
0%
se
o.
..
n
ot
h
B
5.
0%
lu
tio
4.
so
3.
e
2.
The solution on the right is
neutral relative to the solution
on the left.
Both of these solutions are
equally acidic.
The solution on the right is
basic relative to the solution on
the left.
Both of these solutions are
equally basic.
The solution on the right is
acidic relative to the solution
Th
1.
13) Which one of these is an amino group?
0%
0%
0%
0%
0%
C
5.
A
4.
E
3.
D
2.
B
D
E
A
C
B
1.
14) Which one of these is a hydroxyl group?
0%
0%
0%
0%
0%
F
5.
A
4.
E
3.
D
2.
B
D
E
A
F
B
1.
15) Which one of these is a phosphate group?
0%
0%
0%
0%
0%
C
5.
A
4.
E
3.
D
2.
B
D
E
A
C
B
1.
16) Which one of these behaves as an acid?
0%
0%
0%
0%
0%
F
5.
A
4.
E
3.
D
2.
B
D
E
A
F
B
1.
17) Glycogen is _____.
a.
..
so
ur
ce
or
t
0%
of
s
pr
...
0%
a
a
tra
n
sp
ch
a
po
ly
sa
c
ch
sa
c
po
ly
0%
ar
i..
.
0%
ar
i..
.
h.
..
w
in
5.
0%
a
4.
fo
rm
3.
e
2.
the form in which plants
store sugars
a polysaccharide found in
animals
a polysaccharide found in
plant cell walls
a transport protein that
carries oxygen
a source of saturated fat
th
1.
19) This figure is an example of
a(n) _____.
er
oi
d
0%
st
tu
ra
te
d
d
un
sa
tu
ra
te
sa
pr
ot
0%
fa
...
0%
fa
t
0%
ei
n
0%
id
5.
ac
4.
c
3.
cl
ei
2.
nucleic acid
protein
saturated fat
unsaturated fat
steroid
nu
1.
20) What type of bond joins the
monomers in a protein's primary
structure?
0%
0%
en
dr
og
hy
S—
S
0%
pt
id
e
ic
0%
pe
0%
ho
b
5.
dr
op
4.
ni
c
3.
hy
2.
ionic
hydrophobic
peptide
S—S
hydrogen
io
1.
21) Which of these illustrates the secondary
structure of a protein?
1.
2.
3.
0%
0%
0%
22) Enzymes work by _____.
5.
0%
in
g
th
e
EA
...
0%
re
du
c
g
cr
ea
si
n
er
gy
in
ad
di
ng
en
si
ng
cr
ea
0%
...
..
0%
th
e.
sp
...
ph
o
ad
4.
0%
de
3.
a
2.
adding a phosphate group
to a reactant
decreasing the potential
energy difference between
reactant and product
adding energy to a
reaction
increasing the potential
energy difference between
reactant and product
reducing EA
di
ng
1.
23) As a result of its involvement in a
reaction, an enzyme _____.
0%
is
us
ed
ge
d
up
0%
ch
an
un
is
lo
se
s
nt
ly
an
e
rm
0%
en
er
gy
0%
al
...
h.
..
os
p
pe
5.
0%
ph
4.
a
3.
se
s
2.
loses a phosphate
group
permanently alters its
shape
loses energy
is unchanged
is used up
lo
1.