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Semester 1 Final Review
MgCl2 would form what geometry?
Chemistry is
Semester 1 Final Review
66 terms
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JR2 Quiz to review the final for semester 1
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Questions
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Answers
1
Chemistry is
The Study of composition of matter
All of these
Study of Properties of matter
Study of structure of matter
2
MgCl
2
would form what geometry?
Linear
Bent
Tetrahedral
Triangle
3
What are quanta?
Form of analysis involving numbers
a type of Mediterranean fruit that inspired Socrates
Form of analysis involving not numbers
Discrete packets of energy
4
Which state of matter do particles move the least?
Liquid
Bose-Einstein Condensate
Gas
Solid
5
Which of these is the reduced form of an ionic bond?
Molecular Formula
Formula Unit
Empirical Formula
Molecular Unit
6
How many orbitals are in an s sublevel?
1
5
3
7
7
What is the correct formula for Pentoxygen Hexasilicide
O6S7
O6Si7
O5S6
O5Si6
8
What is the measure of average kinetic energy in matter?
Amps
Watts
Temperature
Inertia
9
Which color has the lowest energy of light?
Orange
Purple
Violet
Red
10
If a compounds first part is a _________, then it must be __________ and named without prefixes
metal, ionic
metal, molecular
nonmetal, ionic
nonmetal, molecular
11
If an element had 7 valence electrons, you would expect it to
gain one electron
lose seven electrons
gain three electrons
lose one electron
12
Which of these has the lowest ionic character
LiF
Cl2O
MnO4
SrCl2
13
Bonds help to make an atom
Positive
Unstable
Stable
Reactive
14
How many particles are there in Boron-11
11
3
16
5
15
The branch of chemistry that deals with everything BUT carbon is what?
Analytical
Physical
Inorganic
Organic
16
Atoms of the same element can not have different what?
Protons
Electrons
Neutrons
Feelings
17
Which of these represents a complete and correct electron configuration notation?
1s22s23s23p64s2
1s22s13p13s2
1s22p63d10
1s22s22p63s23p4
18
Endothermic reactions do what with heat?
Require
Release
19
All of (or almost all of) the what is in the electron cloud?
Charge
Mass
Volume
Density
20
When an electron is in any level except its lowest energy state, it is in a(n)
quantum state
ground state
excited state
inert state
21
Microwaves have a lower frequency than gamma rays, therefore the wavelength of microwaves would
Be more delicious than gamma rays
Be longer than gamma rays
Be more intense than gamma rays
Be shorter than gamma rays
22
What must remain constant when measuring density?
Life Goals
Position
Temperature
Nothing, just use same instrument for everything
23
How many orbitals are in a d sublevel?
3
5
7
1
24
A nitrogen isotope contains 7 protons, 7 neutrons, and 7 electrons. What is its mass number?
14.01
14
7
21
25
Which of these is the formula for Ammonium Sulfate?
(NH4)3SO4
N2H8SO3
None of These
NH4SO4
26
In subtraction and addition, your answer must have what?
Same sigfigs as the lowest number present
Same sigfigs as the highest number present
Same number of decimals as the highest present
Same number of decimals as the lowest present
27
Ionic bonds form when
Ions coalesce in variable ways
Electrons are removed/gained
Electrons are shared
Science happens
28
Which of these is an example of a chemical change?
Burning a house down
Dissolving a body in acid
Cutting through the lock on a door
Running a current through a lake
29
Same numbers of protons and electrons make most base elements what?
Unstable
Unique
Neutral
Violent
30
Noble gases are
Stable
Reactive
Radioactive
Royalty
31
The Scientific Method Is
Only useful to scientists
Allows us to gather information from the natural world
Only works with 2 of the 3 kinds of research we've discussed
All of the above
32
An Atom has 23 P, 25 N, and 23 E. Which represents an ISOTOPE with a +2 Charge
24 Protons, 25 Neutrons, 23 Electrons
23 Protons, 26 Neutrons, 27 Electrons
23 Protons, 20 Neutrons, 21 Electrons
23 Protons, 25 Neutrons, 25 Electrons
33
Covalent bonds form when
ions are formed
A mommy atom and daddy atom love each other very much
dipoles interact
electrons are shared
34
You want to fly 3000 miles. If you are flying at 400 miles/s, and you divide to solve you will
have units of miles
have units of seconds
have units of miles2/second
have done science
35
Results of the gold foil experiment indicated that 90% of the particles did what?
Vanished
Were Deflected
Bounced Back
Passed Through
36
Which state of matter has a definite volume but no definite shape
Missouri
Gas
Liquid
Solid
37
Which unit tells us amount of matter?
Volume
Mole
Mass
Density
38
Elements in the periodic table are arranged so that
Atomic radius is always increasing
mass is always increasing
groups have similar properties
periods have similar properties
39
Which of these is predicted by VSEPR Theory?
Electrons are attracted to other electrons
My new Vespa is lit
Valence Shells will never be full
Electrons will move as far away from each other as possible
40
Based on the gold foil experiment, Rutherford concluded what three things about the nucleus?
It was dense, negative, and large
It was light, positive, and large
It was dense, negative, and small
It was dense, positive, and small
41
An ion is
Always charged
Always negative
Always positive
Always neutral
42
Isotopes differ in their number of
Protons
Neutrons
Electrons
Topes
43
Who fired positive particles at a sheet of gold foil?
Lewis
Rutherford
Bohr
Einstein
44
How many orbitals are in a f sublevel?
7
1
3
5
45
Which of these elements has the highest ionization energy?
K
He
F
Fr
46
The Law of Multiple Proportions States
Atoms have different masses
Compounds made of the same elements must have unique ratios
Quantum Mechanics is dumb
Elements Combine in whole number ratios to form compounds
47
Avogadro's Number (Avocado Number) is defined as what?
6.02 x 1024 moles/ (atoms or molecules)
6.02 x 1023 (atoms or molecules) /mole
6.02 x 1023 moles/ (atoms or molecules)
6.02 x 1024 (atoms or molecules)/mole
48
Which of these is the formula for density
D=v/m
m=D/v
D=m/v
D=vm
49
What is the expected charge for magnesium?
+2
+1
No expected; need more info
-2
50
The vertical columns on the periodic table are called
Groups
Series
Periods
Sublevels
51
What is the smallest unit that still retains its elemental identity
Nucleus
Proton
Atom
Electron
52
Ions differ in their number of
Neutrons
Neighbors
Electrons
Protons
53
Carbon Tetrachloride would have what geometry?
Trigonal Planar
Bent
Trigonal Pyramidal
Tetrahedral
54
Wavelength and Frequency have what kind of relationship?
Inverse
Direct
Intimate ;)
Indirect
55
What was a shortcoming of the Rutherford model of the atom?
Where does the negative charge exist at?
How do we know the nucleus is small, dense, and positive?
How is science even real?
Why do electrons not collapse into the nucleus?
56
Do you feel comfortable doing a Average Atomic Mass problem?
Si Senor
No Senor
57
A scientific theory
An educated guess
A generalization about behavior in nature
Has been overwhelmingly supported by data
Is theoretically something scientific
58
Which of the following is a physical change?
Ice Cube Melting
Baking a Cake
Iron Rusting
Burning Wood
59
What is the name for Cr(CO
3
)
2
Chromium IV Carbonate
Chromium II Carbonate
Chromium Chlorate
Chromium IV Chlorate
60
Resonance means
Multiple Bonding Points
High wavelength
Multiple Lewis Structures
Sounds awesome
61
Chemical properties would include
Ability to be bent (Malleability)
Volume
How easy it burns (combustibility)
Ability to be drawn into a wire (Ductility)
62
Which of these is a proper empirical formula?
C3H3O3
C4H8O2
C2H3O2
C6H12O6
63
Which of these numbers has 5 significant figures?
800080.
0.0002
30030
23.000
64
Boiling point is an example of
an extensive property
an intensive property
a Chemical property
A 1999 Miniseries
65
Compared to the particles in a solid, the particles in a liquid
Have more energy
Move around less
Are more spread out
Are Larger
66
How many orbitals are in a p sublevel?
7
3
1
5
