Nuclear Chemistry

Which statement explains the energy term in this reaction?

• Mass is lost due to the conversion of energy to mass.

• Mass is gained due to the conversion of mass to energy.

• Mass is gained due to the conversion of energy to mass.

• Mass is lost due to the conversion of mass to energy.

Tags

NGSS.HS-PS1-8

Which risk is related to the radioactive isotopes used to generate electricity?

• depletion of atmospheric ozone

• exposure to nuclear emissions

• depletion of fossil fuels

• exposure to acid rain

Tags

NGSS.HS-PS1-8

Given the nuclear equation and isotopic masses: What is the amount of mass converted to energy as a result of the reaction between the two reactant nuclei?

• 16.0343 u

• 8.0052 u

• 0.0239 u

• 4.0265 u

Tags

NGSS.HS-PS1-8

NGSS.HS-ESS1-1

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

• K-42

• Au-198

• N-16

• Pu-239

Tags

NGSS.HS-PS1-8

Which symbol represents a nuclear emission with the greatest mass and the greatest ionizing power?

• α

• β−

• β+

• γ

Tags

NGSS.HS-PS1-8

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

• a proton

• a positron

• an alpha particle

• a beta particle

Tags

NGSS.HS-PS1-8

Which type of reaction releases the greatest amount of energy per kilogram of reactant?

• redox reaction

• fission reaction

• organic reaction

• acid-base reaction

Tags

NGSS.HS-PS1-8

One potential benefit of nuclear fusion reactions is

• production of large amounts of energy

• production of radioactive waste materials

• uncontrolled chain reaction

• reactor meltdown

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

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

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

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

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

Which type of reaction is represented by each of these equations?

• Equation 1 represents fission and equation 2 represents fusion.

• Equation 1 represents fusion and equation 2 represents fission.

• Both equations represent fusion.

• Both equations represent fission.

Tags

NGSS.HS-PS1-8