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Nuclear Chemistry II
Nuclear Chemistry II
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A #chemistry #blindquiz to introduce #nuclear fusion, fission, and reactions
Flashcards
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Questions
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Answers
1
Pu-239, Manhattan project
Exists naturally in small quantities
All of the above
Appeared in nature because of nuclear experiments
was made from U-238 by bombarding it with neutrons
2
The nuc bomb radiation is not affected by distance.
True
False
3
Of the following isotopes, which is stable?
Potassium-40
Carbon-12, that builds our body
Uranium-238
Carbon-14, because is used for dating
4
When alchemists discovered that acid and metal react to make salts,...
they were able to make gold.
they used it to kill fleas.
they were disappointed and threw the powder away.
they learned how to make fireworks.
5
The deadly pollution through the air after a nuclear bomb explosion?
Climate Change
Nuclear Fallout (Black rain)
Acid Rain
Biological Rain
6
What is a nuclear reaction where a heavy nucleus splits spontaneously?
fission
sizling
fizzling
fusion
7
What is the radioactive K isotope in bananas?
3920Ca-1
3919K
4019K+1
3919K-1
8
In the nuclear chemistry reacting nucleus is called
Parent nuclide
Mass number
Atoms of isotopes
Still nucleus
9
Electron capture takes place in what kind of nuclei?
Proton rich
Positron rich
Neutron rich
Electron rich
10
What particle is needed to complete this nuclear reaction?
222
86
Rn ->
218
84
Po +____
10n
0-1e
42He, the alpha particle
11H
11
A reaction in which small nuclides combine to form a heavier nuclides is called
background radiation
fission
fusion
a chemical reaction
12
What particle does
14
6
C emit when it decays to
14
7
N?
neutron
proton
alpha particle
beta and gaines one proton
13
Thermonuclear fission is at least 200 mln times more energetic than burning of glucose in the combusion.
True
False
14
Fusion is? (think FUSE)
Neither
the decay of a large particle
the combination of 2 small particles
IDK
15
Fission is?
the combination of 2 small particles
IDK
Neither
the decay of a large particle in 2 smaller ones
16
Radiation can be useful and dangerous...
It causes cancer
False, always dangerous
It cures cancer
True, both
17
40
S,
40
Cl,
40
Ar,
40
K, and
40
Ca - same mass number!
Don't know
isotones
isotopes
isobars
18
Positron emission from nitrogen-14 will yield what element?
carbon-13
carbon-14
nitrogen-13
boron-10
19
What are isotopes?
Two different types of atoms
Two atoms with different number of protons
Two atoms with different number of electrons
Two atoms with different number of neutrons
20
In the nuclear chemistry products are called
Still nucleus
Mass number
Daughter nuclides
Atoms of isotopes
21
Isotopes can be separated using their chemical properties
False
True
22
Since ancient times, what kind of people were trying to convert lead to gold?
Wizzards
Whitches
Alchemists
Magicians
23
Identify this artificial nuclear reaction on the picture.
IDK
nuclear fusion
It is a fake model.
nuclear fission
24
Nuclear fusion
takes place in the Sun and the Earth
can be controlled in the laboratory
is used in medicine
occurs at low temperature
25
One dental X-ray is?
50 bananas
One banana
27,000 bananas
100 bananas
26
Isotones can be separated using their chemical properties
True
False
27
Half-life time can be modeled with beer
True
False
28
How does an analytical chemist relate to nuclear chemistry?
Drugs
by dating radioactive decay and isolating radioactive elements
Explosions
It doesn’t
29
Proton and neutron are elementary particles
Can be elementary
No, they are each made out of 3 quarks
Yes, why not
Sure, elementary
30
Half-life is the time for the radioactivity of a specified isotope to fall to half its value
False
True
31
How many isotopes are in Hydrogen cell of the periodic table?
Three, hydrogen, deuterium and tritium
Four
Eight
Two
32
A beta particle is a(n)
photon
hydrogen nucleus
electron ejected from the nucleus
helium nucleus
33
The total atomic mass and atomic #on the Left = the total atomic mass and atomic # on the Right
True
Should be random
False
Ah, isotope notation
34
Nuclear explosion are not man made, happen in nature.
IDK
FALSE
Maybe
True
35
How many isotopes of bromine do you see?
2, mass 79 and 81
3
4
5
36
Balance the following nuclear equation:
42He
0-1e
0+1e
24He
37
Who discovered radioactivity?
Henri Beckerel
JJ Thomson
Marie Curie
Ruthrford
38
What is the Mass Number from this Isotopic Notation?
314
88
138
226
39
Define Nuclear Chemistry:
Subdiscipline of Chem, related to Sun radiation.
Chemistry, related to transmutational changes within the nuclides.
There cannot exist nuclear chemistry
Subdiscipline of Chem, related to the Earth's core
40
The isotopic notation for an atom with 19 protons, 20 neutrons, and 21 electrons would be...
3920Ca-1
3919K
3919K-1
3919K=1
41
Electrons are NOT elementary particles...
True
False
42
The half-life of one isotope radon-222 is 4 days. How much of a 100g sample would be left after 8 days?
25 g
100 g
50 g
75 g
43
Which 2 atoms are isotones (same number of neutrons)?
T and X
Z and Y
X and Z
Y and T
44
Where does nuclear reaction take place? (hint: Think of the root of the word!)
In the nucleus
Far far away in the sea
Far far away in the desert
In the orbitals
45
Alchemists wanted to convert all metals into gold, via process, called
Magic
Transmutaion
Transition
Eternal life
46
Marie Curie was a ....
The first woman to win a Nobel Prize
All of those
Pioneering researcher on radioactivity
Scientist, who got radiation poisoning
47
How many neutrons are in this Isotopic Notation?
138
226
88
314
48
What atoms are isotones?
Same number of electrons
Same number of protons
Same number of quarks
Same number of neutrons
49
Isobars in nuclear chemistry are
atoms of different elements having the same number of protons
atoms of different elements having the same number of electrons
atoms of different elements having the same number of neutrons
atoms of different elements having the same mass number A
50
What are isobars in meteorology?
Lines that connect points of equal air pressure
Lines that connect points of equal wind direction
Lines that connect points of equal temperature
Lines that connect points of equal wind speed
51
Element 41 is produced in the following electron capture reaction?
Niobium
Carbon
Technetium
Helium
52
Gamma radiation is pure energy, photons with no mass
True
False
53
Alpha radiation?
photon
electron
hydrogen nucleus
helium nuclides
54
An nuc bomb requires a ____ to achieve an nuclear explosion.
Critical Mass of the enriched active isotope
Conventional Explosion
Electric Charge
Large open area
55
Explosive fission reactions do not normally occur in nature.
True
False
Maybe
Manmade
56
Radioactive isotopes naturally decay at a ______________rate?
Increasing
Decreasing
(Up & Down) Varied
Constant
57
Radioctive exposure effects are NOT time dependent?
True
False
58
Nuclear chemistry is a central science for contrast
diagnostics
!
True
False
59
What particle is needed to complete the following equation?
208
84
Po ->
204
82
Pb + _____
0+1e
0-1e
10n
42He
60
What is the Atomic Number from this Isotopic Notation?
226
88
138
314
61
Balance the following Nuclear Equation
24He
0-1e, beta decay
01e, positron emission
42He
62
Radiation sensors are instruments that sense radiation emissions produced by a source.
False
True
63
What did Henri Beckerel find fogging photographic film?
Toxic water
Argon
Sulfur
Radioactive Uranium
64
Which is a real world example of nuclear chemistry application?
Gunpowder
A nuclear power plant
Cigarette smoke
A nuclear potato
65
What occurs during a positron emission?
Two protons are gained
A proton is lost
A Proton changes to an electron
A proton changes into a neutron
66
Marie Curie knew how damaging the excess radiation is...
False
True
67
Positron emission tomography depends upon which process?
electron capture
beta emission
alpha emission
annihilation
68
What elements did Marie Curie discover?
Osmium and Iron
Polonium and Radium
Uranium and Xenon
Polonium and Francium
69
What is the antiparticle of an electron?
Antineutrino
Anti-proton
Positron
Proton
70
What is the abbreviation for positron emission tomography?
PPE
Pharm
PVC
PET
71
What is the use of Hydrogen isotopes in medical imaging?
Used to increase crops
Tracing atom through metabolic process.
detect petroleum from sea bed
A catalyst for reaction
72
The nuc bomb radiation doesn't last long after the explosion
False
True
73
Why alchemists were not able to perform transmutation Lead to Gold via a chemical reaction?
It requires eternal life
It requires magic
Transmutaion requires change in the number of protons
Transition requires change in the number of neutrons
74
What is the isotopic notation of isotope of Oxygen-17?
8/17 O2
25/17 O
17/8 O2
Cannot be determined
75
Does gamma radiation change the atomic mass?
Yes
No
