Nuclear Test Review

Which nuclear emission has the greatest mass and the least penetrating power?

• an alpha particle
• a neutron
• a beta particle
• a positron

Which radioisotope is used to treat thyroid disorders?

• Co-60
• C-14
• I-131
• U-238

Which radioisotope has an atom that emits a particle with a mass number of 0 and a charge of +1?

• ³H
• ¹⁹Ne
• ¹⁶N
• ²³⁹Pu

According to Table N, which radioactive isotope is best for determining the actual age of the Earth?

• ²³⁸U
• ⁶⁰Co
• ⁹⁰Sr
• ¹⁴C

Which particle is represented by X?

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• 
• 
• 

Which group of nuclear emissions is listed in order of increasing charge?

• alpha particle, beta particle, gamma radiation
• gamma radiation, alpha particle, beta particle
• positron, alpha particle, neutron
• neutron, positron, alpha particle

Which nuclear equation represents a natural transmutation?

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• 
• 
• 

Which list of radioisotopes contains an alpha emitter, a beta emitter, and a positron emitter?

• C-14, N-16, P-32
• Cs-137, Fr-220, Tc-99
• Kr-85, Ne-19, Rn-222
• Pu-239, Th-232, U-238

What is the total number of years that must pass before only 25.00 grams of an original 100.0-gram sample of C-14 remains unchanged?

• 2865 y
• 11 460 y
• 5730 y
• 17 190 y

The change that is undergone by an atom of an element made radioactive by bombardment with high-energy protons is called

• natural transmutation
• artificial transmutation
• natural decay
• radioactive decay