4219959
Frage 1
Frage
Define acceleration
Antworten
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The rate of change of an object velocity
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All forces combined acting on an object
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The rate at which an object changes its position
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Push or pull
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The resistance an object has a change its motion
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The rate an object Covers distance "how fast?"
Frage 2
Frage
Define velocity
Antworten
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The rate of change of an objects velocity
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All forces combined acting on an object
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The rate at which an object changes its position
-
Push or a pull
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The resistance an object has to change its motion
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The rate an object covers distance "how fast?"
Frage 3
Frage
Define inertia
Antworten
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The rate of change of an objects velocity
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All forces combined acting on an object
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The rate at which an object changes its position
-
Push or a pull
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The resistance and object has to change its motion
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The rate an object covers distance "how fast?"
Frage 4
Frage
Define net force
Antworten
-
The rate of change of an objects velocity
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All forces combined acting on an object
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The rate at which an object changes its position
-
Push or a pull
-
The resistance and object has to change its motion
-
The rate an object covers distance "how fast?"
Frage 5
Frage
Define force
Antworten
-
The rate of change of an objects velocity
-
All forces combined on an object
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The rate at which an object changes position
-
Push or a pull
-
The resistance on an object has to change its motion
-
The rate an object covers distance "how fast?"
Frage 6
Frage
Define speed
Antworten
-
The rate of change of an objects velocity
-
All forces combined acting on an object
-
The rate at which an object changes its position
-
Push or a pull
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No resistance an object has the change its motion
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The rate an object covers distance "how fast?"
Frage 7
Frage
A person walks 3.5 mph
Antworten
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Speed
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Velocity
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Acceleration
Frage 8
Frage
A bike goes 30 m/s toward town
Antworten
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Speed
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Velocity
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Acceleration
Frage 9
Frage
A greyhound dog can run about 40 mph
Antworten
-
Speed
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Velocity
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Celebration
Frage 10
Frage
Monarch butterflies fly 12 mph south as they migrate
Antworten
-
Speed
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Velocity
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Acceleration
Frage 11
Frage
A car slows from 60 m/h to 25 mph
Antworten
-
Speed
-
Velocity
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Acceleration
Frage 12
Frage
A car turns left while maintaining the same speed
Antworten
-
Speed
-
Velocity
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Acceleration
Frage 13
Frage
A trick from Austin to Dallas takes about three hours going 65 mph north
Antworten
-
Speed
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Velocity
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Acceleration
Frage 14
Frage
Canadian geese fly approximately 75 mph
Antworten
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Speed
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Velocity
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Acceleration
Frage 15
Frage
A car increases speed from 70 mph to 65 mph
Antworten
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Speed
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Velocity
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Acceleration
Frage 16
Antworten
- True
- False
Frage 17
Antworten
- True
- False
Frage 18
Antworten
- True
- False
Frage 19
Antworten
- True
- False
Frage 20
Antworten
- True
- False
Frage 21
Antworten
- True
- False
Frage 22
Frage
What is Newton's first law? give example.
Antworten
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And object are at rest remains at rest and object in motion remains in motion unless acted on by all unbalanced force
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F=m(a) all forces are unbalanced and the object has accleration which depends on net force and mass of an object
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For every action there is an opposite and equal reaction
Frage 23
Frage
What is newtons 2nd law?
Antworten
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An object at rest remains at rest and object in motion remains in motion unless acted on by an unbalanced force
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All forces are in balance and the object has acceleration which depends on the net force and mass of the object F = M(a)
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For every action there is an opposite and equal reaction
Frage 24
Frage
What is newtons third law
Antworten
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An object at rest remains at rest and object in motion remains in motion unless acted on by an unbalanced force
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all forces are unbalanced and the object has acceleration which depend on net force mass of an object f=m(a)
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Every action there is an opposite and equal reaction
Frage 25
Frage
What sign is force?
Antworten
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N or F
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A
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M
Frage 26
Frage
What sign is acceleration
Antworten
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N or F
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A
-
M
Frage 27
Frage
What is the sign for mass
Antworten
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N or F
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A
-
M
Frage 28
Frage
What is the equation used to find speed
Antworten
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S =A/T
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S=A(T)
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S=M(A)
Frage 29
Frage
If a person pulls on a cart to the right with a force of 20 N and a second person pulls to the left with a force of 15N what is the net force and direction of the cart?
Antworten
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5N to the right
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5N to the left
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8N to the right
Frage 30
Frage
If a person is pushing a cart 40 N and It accelerate .5 m/s^2 what is the mass of the cart
Antworten
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8 kg
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.5 kg
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67kg
Frage 31
Frage
What is the acceleration of a 2 kg rock that is thrown at the force of 15 N
Antworten
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8 m/s^2
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1.5 m/s^2
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3000 m/s^2
Frage 32
Frage
I want to 150 kg object is accelerating at the rate of 20 m/s calculate the force needed to produce this acceleration
Antworten
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25 N
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3000N
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300N
Frage 33
Frage
A car travels 2.5 hours in at northerly direction for 300 km determine the car speed and the velocity
Antworten
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80 kilometers per hour North
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3000 kilometers per hour North
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120 kilometer Per hour North
Frage 34
Antworten
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Fast
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Stationary
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Slow
Frage 35
Frage
Which graph segments that the following
Constant speed : [blank_start]B[blank_end]
Deceleration : [blank_start]C[blank_end]
Accelerating : [blank_start]A[blank_end]
Antworten
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B
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C
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A
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D
Frage 36
Antworten
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Proton
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Neutron
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electron
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+
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0
-
-
-
Inside
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Inside
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Outside
Frage 37
Frage
Proton is [blank_start]1AMU[blank_end]
Neutron is [blank_start]1AMU[blank_end]
Electrons is [blank_start].0008AMU[blank_end]
Antworten
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1AMU
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.0008AMU
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1AMU
Frage 38
Frage
Ape A= [blank_start]ATomic number[blank_end] P= [blank_start]Protons[blank_end] E= [blank_start]Electrons[blank_end] Are the same in a [blank_start]neutral[blank_end] atom
Man M= [blank_start]Mass number[blank_end] -A= [blank_start]ATomic mass[blank_end]=N= [blank_start]Neutrons[blank_end]
Antworten
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ATomic number
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Protons
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Electrons
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neutral
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Mass number
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Neutrons
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ATomic mass
Frage 39
Frage
Label with these words: metals, nonmetals, metalloids, periods, groups, horizontal, vertical, most reactive, and least reactive.
Antworten
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Metals
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Non-metal
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Metalloids
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Periods
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Groups
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Horizontal
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Vertical
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Most reactive
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Least reactive
Frage 40
Antworten
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Cl
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Na
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Mg
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17
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11
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12
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35
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23
-
24
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17
-
11
-
12
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18
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12
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12
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17
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12
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12
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2
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2
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2
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8
-
8
-
8
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7
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1
-
2
Frage 41
Frage
What is the atomic number of the Atom? [blank_start]3[blank_end]
What is the mass number of the Atom? [blank_start]7[blank_end]
What is the name of the element represented? [blank_start]Lithium[blank_end]
What is the chemical symbol of the element? [blank_start]Li[blank_end]
Antworten
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7
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3
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Lithium
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Li
Frage 42
Frage
the group with 7 valance electrons is halogens
Antworten
- True
- False
Frage 43
Frage
Group 8 on the periodic table is alkali metals
Antworten
- True
- False
Frage 44
Frage
Which not belong?
Antworten
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Vertical column
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Group
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Period
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Valance electrons
Frage 45
Frage
Which does not belong
Antworten
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Group
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Period
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Seven
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Horizontal rows
Frage 46
Frage
Which does not belong
Antworten
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Neon
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Nitrogen
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Helium
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Argon
Frage 47
Frage
Which does not belong
Antworten
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Nonmetal
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Oxygen
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Gain electrons
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Calcium
Frage 48
Frage
Which does not belong
Antworten
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Copper
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Silver
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Zinc
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Gold
Frage 49
Frage
Which does not belong
Antworten
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Silver
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Nickel
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Cobalt
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Iron
Frage 50
Frage
Electron name: [blank_start]helium[blank_end]
Protons: [blank_start]2[blank_end]
Electrons: [blank_start]2[blank_end]
Neutrons: [blank_start]2[blank_end]
Valence electrons: [blank_start]2[blank_end]
Antworten
-
helium
-
2
-
2
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2
-
2
Frage 51
Frage
Element name: [blank_start]neon[blank_end]
Protons: [blank_start]10[blank_end]
Electrons: [blank_start]10[blank_end]
Neutrons: [blank_start]10[blank_end]
Valence electrons: [blank_start]eight[blank_end]
Antworten
-
eight
-
neon
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10
-
10
-
10
Frage 52
Frage
Element name: [blank_start]fluoride[blank_end]
Protons: [blank_start]nine[blank_end]
Electrons: [blank_start]nine[blank_end]
Neutrons: [blank_start]10[blank_end]
Valence electrons: [blank_start]seven[blank_end]
Antworten
-
fluoride
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seven
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nine
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nine
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10
Frage 53
Frage
the subscript indicates the number of molecules
Antworten
- True
- False
Frage 54
Frage
the coefficient indicates the number of molecules
Antworten
- True
- False
Frage 55
Frage
How many of each atom are in theses formulas
Antworten
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Carbon
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6
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Hydrogen
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12
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Oxygen
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10
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Hydrogen
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4
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Oxygen
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7
Frage 56
Frage
How many of each Atoms are in the formulas
Antworten
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Calcium
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Hydrogen
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Potassium
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Oxygen
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1
-
2
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1
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4
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Magnesium
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Oxygen
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Hydrogen
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3
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3
-
6
Frage 57
Antworten
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Yes
-
No carbon destroyed and oxygen created
Frage 58
Frage
1. Identify each substance by name
2. Determine if substance is an element or compound
3. Tell if substance is a symbol or formula
4. Decide if substance is an Atom or molecule
Antworten
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Oxygen
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Oxygen
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Carbon dioxide
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Ammonia
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Chlorine
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✔️
-
✖️
-
✖️
-
✖️
-
✖️
-
✖️
-
✔️
-
✔️
-
✖️
-
✖️
-
✖️
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O
-
✖️
-
✖️
-
✖️
-
✖️
-
✖️
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O2
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CO2
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NH3
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Cl2
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✔️
-
✖️
-
✖️
-
✖️
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