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Nuclear Chemistry
Nuclear Chemistry Review - Grade 9
13
Chemistry
9th Grade
01/14/2010

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Cards

Term
What is the process in which an unstable atomic nucleus emits charged particles or energy or both?
Definition
Radioactivity
Term
Uranium-238 undergoes alpha decay. Therefore, uranium-238 will...
Definition
...change into a different element altogether.
Term
What type of nuclear decay releases energy but not a particle?
Definition
Gamma decay
Term
Is this statement true or false?
All natural radiation is at a level low enough to be safe.
Definition
False
Term
Alpha-emitting substances, such as radon gas, can be a serious health hazard only if...
Definition
...they are inhaled or eaten.
Term
How can you detect the amount of exposure you have to radiation? What can you use?
Definition
Film badge
Term
Transmutation involves: A.nuclear change B.chemical change C.both D.neither
Definition
A.nuclear change
Term
In what state must matter exist for fusion reactions to take place? A.sold B.liquid C.gas D.plasma
Definition
D.plasma
Term
An alpha particle is the same as a(an) ______ nucleus.
Definition
helium
Term
*The fission reaction within a nuclear reactor is kept under control by the use of _______ ____ that absorb extra _______.
Definition
control rods
neutrons
Term
True/False: Both Fission and Fusion have large amounts of energy.
Definition
True
Term
Fission or Fusion?
Splitting large atoms
Definition
Fission
Term
Fission or Fusion?
Combining small atoms
Definition
Fusion
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