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Emanations
Definitions
Equations
Uses of Radioisotopes
1/2 life problems
100
Charge +2 Mass 4
What is an alpha particle
100
The nucleus of one element is changed into the nucleus of another element
What is Transmutation
100
Th-232 yields Ra-228 and _________
What is an alpha particle
100
Diagnose and Treat Thyroid disorders
What is I-131
100
What is the mass of K-42 remaining in a 16 g sample after 37.2 h?
What is 2 g
200
Greatest penetrating power
What is gamma radiation
200
The splitting of larger nuclei into smaller nuclei
What is fission
200
When P-32 undergoes beta decay this isotope is produced
What is S-32
200
Radioactive isotope used to study the age of organic matter
What is C-14
200
A radioactive element has a half-life of 2 days. What fraction of an original sample will remain after 8 days?
What is 1/16
300
Is attracted to a positive electrode
What is a beta particle?
300
Bombarding a stable nuclei with a high energy particle causing it become unstable and decay
What is artificial transmutation
300
The products of the natural decay of Ca-37
What is an alpha particle and Ar-33
300
Used to locate brain tumors
What is Tc-99
300
What is total mass of Rn-222 remaining in an original 160 mg sample after 19.1 days?
What is 5 mg
400
Produced in the natural decay of iron-53
What is a positron?
400
Length of time it takes for half the mass of a given sample of a radioisotope to decay
What is a half life
400
Which radioisotope produces a positron and the isotope Mn-53 through natural decay
What is Fe-53
400
Used to kill cancer cells because it produces gamma radiation
What is Co-60
400
After 62 hours, 1.0 g of an original sample of K-42 remains unchanged. How much K-42 was in the original sample?
What is 32 g?
500
Pure energy, no mass and no charge
What is gamma radiation?
500
Combining of light nuclei into a heavier nuclei
What is fusion
500
N-14 + alpha particle yields H-1 and _________
What is O-17
500
Used to date landforms
What is u-238
500
If 80 g of a radioisotope decays to 10 g in 30 min, what is the half-life of this isotope?
What is 10 min?