What is the correct amount of valence electrons for Sulfur?
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What is the correct amount of valence electrons for Sulfur?
• 2• 6• -2• -6
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2 6 -2 -6
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What is the correct Bohr model of the element Flourine?
A. AB. BC. CD. D
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A B C D
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Why don’t the noble gasses react with other elements?
A. They have bad body odor
B. They are stuck upC. They’re too lazyD. Their valence is full
therefore the atom is stable and doesn’t need to bond with other atoms.
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They
have bad body o
dor
They
are st
uck up
They
’re to
o lazy
Their
valence
is full t
herefo..
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Which of the following elements will form a covalent bond?
A. LiClB. MgOC. H2OD. K2O
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LiCl
MgO H2OK2O
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Humans have always desired to turn lead into gold. In order to do this you must…..
A. Add 3 protonsB. Subtract 3 protonsC. Change the number of
electronsD. Subtract 10 neutronsE. Add 3 Neutrons and
subtract 10 neutronsF. Subtract 3 protons and
10 neutrons
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Add 3 protons
Subtra
ct 3 proto
ns
Change t
he number o
f elec
t...
Subtra
ct 10 n
eutro
ns
Add 3 Neutro
ns and su
btract.
..
Subtra
ct 3 proto
ns and 10 n
e...
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Boron is listed on the P.T. as having a mass of 10.81. This so even though the mass is always a whole number is because the listed P.T. mass is the average of…..
A. the proton masses.B. The isotopes masses.C. The neutron massesD. The electrons masses
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the proton m
asses.
The i
sotopes
masses.
The n
eutro
n masse
s
The e
lectro
ns mass
es
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As you have observed Potassium (K) is very unstable so why is it very stable when it bonds with Bromine (Br) ?
A. Bonding lowers blood pressure
B. The neutrons are able to balance the electrons
C. The protons become neutral
D. Bonding gives the element a full valence electron shell
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Bonding lowers
blood pressu
re
The n
eutro
ns are
able
to ba...
The p
rotons beco
me neu
tral
Bonding give
s the element a
...
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Why would LiF dissolve in water but Iron (Fe) would not?
A. LiF is ionic while Fe is metallic
B. LiF is covalent and Fe is metallic
C. LiF is polar while Fe is covalent
D. Fe is just too hard for water
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LiF is
ionic while
Fe is
metal
lic
LiF is
cova
lent a
nd Fe is
met...
LiF is
polar while
Fe is
cova
lent
Fe is
just
too hard
for w
ater
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H2O2 yeilds H2 + O2 is a balanced equation. How does it show the conservation of mass?
A. Number of atoms is same on both sides
B. Kinds of atoms are the same on both sides
C. It just doesD. The number and kinds
of atoms before the reaction is the same as after the reaction
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Number of a
toms is s
ame on...
Kinds of a
toms are th
e sam
e ..
It just
does
The n
umber an
d kinds o
f ato..
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How many elements are in the organic compound glucose ( C6H12O6 )
A. 24B. 3C. 6D. 12
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24 3 6 12
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How many atoms are in the organic compound glucose ( C6H12O6 ).
A. 24B. 3C. 6D. 12
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24 3 6 12
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After a while the my pendulum will stop moving. What is the best explanation?
A. KE is transferred to the air and the ball and transformed to thermal NRG
B. KE is transferred to vibrations in the wire and the ball and transformed to thermal NRG
C. KE is transferred to vibrations in the wire and the air and transformed to thermal NRG
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KE is tra
nsferre
d to th
e air a
..
KE is tra
nsferre
d to vibrati
on...
KE is tra
nsferre
d to vibrati
on...
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The graph below represents the NRG in a dropped ball. Why are all the columns the same height?
A. It gains energyB. It loses energyC. KE + PE = 100%D. Total NRG remains
constant just dropped
Middle
Near bottom
0%20%40%60%80%
100%
GPEThermalKE
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It gain
s energ
y
It lose
s energ
y
KE + PE =
100%
Total
NRG remains c
onstant
0% 0%0%0%
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Which of the answers below best represents the graph?
A. A rocket leaving Earth
B. A meteorite falling to Earth
C. An arrow shot from the Earth
D. Superman leaping tall buildings
t=0s t=1s t=2s t=3s t=4s t=5s0%
20%
40%
60%
80%
100%
Column1KE
30
A rocke
t leav
ing Eart
h
A mete
orite fa
lling to
Earth
An arro
w shot f
rom the E
arth
Superm
an leaping t
all build
ings
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An arrow traveling at 30 m/s will penetrate pine 10 cm. If the speed is
doubled to 60m/s how far into the pine will the arrow go?
A. 20 cmB. 30 cmC. 40 cmD. 50 cm
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20 cm
30 cm
40 cm
50 cm
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What happens to the nrg the sun gives off in the form of EM waves that is
absorbed by whatever it hits
A. EM nrg transforms to Thermal nrg
B. It is destroyedC. It just goes right
throughD. It gets wiggly
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EM nrg
transfo
rms t
o Therm
a...
It is d
estro
yed
It just
goes r
ight t
hrough
It gets
wigg
ly
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How does “rolling with a punch” which increases the time of the punch, affect
the force with which you are hit?
A. The force is with youB. Force stays the sameC. Force increases as
time increasesD. Force decreases as
time increases
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The f
orce is
with yo
u
Force
stay
s the s
ame
Force
incre
ases as
time incr.
..
Force
decrea
ses as
time inc..
.
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The fiction part of a sci-fi movie when you see and hear spaceships blowing up, is that sound
can’t happen in space. Why?
A. Sound frequencies are too small!
B. Sound need gravity to work!C. Sound needs air particles to
vibrate!D. Matter can’t vibrate in space
cuz it’s too cold!
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Sound fr
equencie
s are
too s...
Sound nee
d grav
ity to
work!
Sound nee
ds air p
article
s to ...
Matter ca
n’t vibrate in
space.
..
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What kind of nrg is emitted when lights glow?
A. ElectromagneticB. ThermalC. ElasticD. Chemical
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Electr
omagnetic
Therm
al
Elasti
c
Chemical
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Which element is the most likely to be found near the Earth’s crust?
A. SiliconB. IronC. NickelD. Aluminum
Element Atomic #
Mass #
Density g/cm3
Silicon 14 28 2.4
Iron 26 56 7.9
Aluminum 13 27 2.7
Nickel 28 59 8.9
Magnesium
12 24 1.7
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Silico
nIro
nNick
el
Aluminum
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Truckers get a tan on the arm that hangs out the window but even though sunlight comes in
through the windshield they don’t get a tan on their face. Why is that?
A. They wear a hatB. The windshield has a special
coatingC. All truckers have strong
beardsD. Glass reflects and absorbs
nrg so only the exposed arm receives EM nrg.
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They
wea
r a hat
The w
indshield has
a speci
al...
All truck
ers have
strong b
eards
Glass reflects
and ab
sorbs n
r...
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At divergent plates where the seafloor spreads, magma rises and cools creating a ridge on either
side of the plate boundaries and forms new rock. As you move away from the center of the
ridge the age of the rock…. A. DecreasesB. IncreasesC. Stays the sameD. Forms magnetic
bands
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Decreases
Increases
Stays
the same
Form
s mag
netic b
ands
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Identify the force that forms stars and describe how the stars are formed
A. Gravity is force and it pulls everything together
B. Pressure is the forceC. Gravity pulls matter
which has inertia and causes it to spin, heat up, pressurize, and then ignite into a star. Since it pulls from all directions stars and planets are spherical.
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Gravity
is force
and it pulls
...
Pressure is
the f
orce
Gravity
pulls matt
er which
h..
33% 33%33%
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Rank the 4 events in order for an Earthquake nrg chainStress on rock (EPE),Plate movement(KE)Stress release (sound and KE)Radioactive decay (HE)
A. EPE, KE, sound & KE, HEB. EPE, HE, KE & sound, KEC. HE, EPE, KE, KE & sound, D. HE, KE, EPE, KE & sound
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EPE, K
E, so
und & KE, H
E
EPE, H
E, KE &
sound, K
E
HE, EPE, K
E, KE &
sound,
HE, KE, E
PE, KE &
sound
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Where is the most likely place for a volcano on a convergent subduction zone ?
• A• B• C• D
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A B C D
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Where is the most likely place for a mid-oceanic ridge where new rock is formed?
A. AB. BC. CD. D
A B C D
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Where is the most likely place for huge mountain formation at a convergent boundary?
A. AB. BC. CD. D
A B C D
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Where is the most likely place for Earthquakes to happen at a transform fault boundary?
A. AB. BC. CD. D
A B C D
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