Unit 3: Nuclear Energy STUDY GUIDE

Positrons and beta particles have

• the same charge and same mass
• the same charge and different mass
• different charges and the same mass
• different charges and different masses

Which list of nuclear emissions is arranged in order from the greatest PENETRATING power to the least PENETRATING power?

• alpha particle, beta particle, gamma ray
• alpha particle, gamma ray, beta particle
• gamma ray, alpha particle, beta particle
• gamma ray, beta particle, alpha particle

The dating of geological formations is an example of beneficial use of

• isomers
• electrolytes
• organic compounds
• radioactive nuclides

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NGSS.HS-PS1-8

Which term identifies a type of nuclear reaction?

• transmutation
• neutralization
• saponification
• reduction

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What is the mass number of an alpha particle?

• 1
• 2
• 3
• 4

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The stability of an isotope is based on its

• number of neutrons, only
• number of protons, only
• ratio of neutrons to protons
• ratio of electrons to protons

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What occurs in both fusion and fission reactions?

• Small amounts of energy are converted into large amounts of matter
• Small amounts of matter are converted into large amounts of energy
• Heavy nuclei are split into lighter nuclei.
• Light nuclei are combined into heavier nuclei.

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Which reaction releases the greatest amount of energy per mole of reactant?

• decomposition
• double replacement
• fusion
• fission

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An unstable nucleus loses the most mass if the nucleus emits

• an alpha particle
• a beta particle
• gamma ray
• positron

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Which radioisotopes have the same decay mode and have half-lives greater than 1 hour?

• Au-198 and N-16
• a-37 and Fe-53
• I-131 and P-32
• Tc-99 and U-233

Tags

NGSS.HS-PS1-8