Nuclear Chemistry review

Which radioactive emissions are listed in order from greatest penetrating power to least penetrating power?

• gamma radiation, alpha particle, beta particle

• beta particle, gamma radiation, alpha particle

• alpha particle, beta particle, gamma radiation

• gamma radiation, beta particle, alpha particle

Tags

NGSS.HS-PS1-8

Which statement describes a benefit of fission?

• Fission increases the possibility of nuclear accidents

• Fission increases the possibility of biological exposure.

• Fission produces waste products that need long-term storage.

• Fission produces nuclear power.

Tags

NGSS.HS-PS1-8

Which emission will be released from an unstable Fe-53 nucleus?

• an alpha particle

• a positron

• a beta particle

• a proton

Tags

NGSS.HS-PS1-8

Which radiation has the least ionizing power and greatest penetrating power?

• beta particles

• gamma emissions

• positron emissions

• alpha particles

Which radioisotope requires long-term storage to prevent the risk of biological exposure?

• Au-198

• Pu-239

• N-16

• K-42

Which statement describes a benefit of the nuclear reaction that occurs in a nuclear power plant?

• A) A large amount of energy is produced from a small amount of a radioisotope.

• B) Large amounts of water are needed to cool the nuclear reactor.

• C) Radioactive isotopes are stored for a very long time at the power plant site.

• D) The power plant reaction can be used in dating geologic formations.

Tags

NGSS.HS-PS1-8

What is a potential risk associated with radioactive isotopes?

• tracing chemical processes

• industrial measurements

• biological exposure

• curing of diseases

Tags

NGSS.HS-PS1-8

What fraction of an original sample of 131I remains unchanged after 24.063 days?

• 1/2

• 1/4

• 1/8

• 1/3

Tags

NGSS.HS-PS1-8

What is one benefit of a nuclear fission reaction?

• Fission products must be stored indefinitely

• Workers in nuclear power plants can be exposed to radiation from fission reactions.

• Electrical energy can be produced using fission reactions.

• Fission reactants are hydrogen isotopes.

Tags

NGSS.HS-PS1-8

Which net change occurs in both nuclear fission and nuclear fusion reactions?

• Energy is converted to mass.

• Small nuclei form a larger nucleus.

• A large nucleus forms smaller nuclei.

• Mass is converted to energy

Tags

NGSS.HS-PS1-8