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Atoms and Nuclear Chemistry
Atoms and Nuclear Chemistry
20 terms
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Review of atoms and nuclear chemistry
Flashcards
20 cards
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Questions
20
Answers
1
What kind of nuclear reaction occurs in the sun and stars, making new elements?
Alpha decay
Fusion
Beta decay
Fission
2
How many electrons will a neutral atom of silver-109 have?
109
47
Not enough info
62
3
Th-230 has a half life of 8000 years. How long will it take 500 g to decay to 125 g?
16,000 years
8000 years
4000 years
24,000 years
4
What kind of nuclear reaction takes place in a nuclear power plant?
fission
alpha decay
fusion
beta decay
5
What did Millikan discover in his experiment?
Charge of a neutron
Charge of a proton
Charge of an electron
Nucleus of an atom
6
What did Rutherford discover in his experiment?
Electron
Nucleus
Neutron
Quark
7
What does atomic number represent?
number neutrons
number protons
number electrons
protons + neutrons
8
Given the below data, what is the average atomic mass of argon?
3994.53 amu
37.96 amu
39.96 amu
54.31 amu
9
Solve the following:
8595 years
5730 years
4297.5 years
17,190 years
10
Dalton's atomic theory helped explain the law of conservation of mass because he stated atoms:
cannot combine
cannot be destroyed or created
are invisible
have the same mass
11
Who conducted the gold foil experiment?
Dalton
Rutherford
Democritus
Thomson
12
How many neutrons would a stable isotope of Tin have?
More than 80
Less than 50
58-75
40-50
13
Who came up with the plum pudding model of the atom?
Dalton
Millikan
Thomson
Rutherford
14
Which isotope will produce Magnesium-24 during alpha decay?
Aluminum-24
Silicon-28
Magnesium-20
Neon-20
15
Who discovered the electron?
Dalton
Thomson
Aristotle
Levoisier
16
Which isotope is produced in the following:
Polonium-214
Polonium-213
Bismith-215
Lead-214
17
Which type of radiation is the most penetrating?
all are the same
gamma
alpha
beta
18
What type of decay happens when carbon-14 becomes nitrogen-14?
Gamma
Beta
Alpha
Alpha and Gamma
19
Which isotope is produced in the following:
Plutonium-234
Thorium-234
Thorium-230
Uranium-230
20
How many neutrons are in an atom of Titanium-43?
20
43
21
22
