Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-nuclear-science-d00399b4b842

What does critical mass mean for a fission chain reaction?

The minimum amount of material needed to sustain the reaction.

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  1. The mass of a reactor building
  2. The heaviest isotope in a sample
  3. The minimum amount of material needed to sustain the reaction ✔

Why: Critical mass is the smallest amount of fissile material under given conditions that sustains a chain reaction.

Huh, didn't know that: Critical mass is the smallest amount of fissile material under given conditions that sustains a chain reaction.

The dad joke
Critical mass is the tipping point for neutrons.
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References

Answer: The minimum amount of material needed to sustain the reaction. Critical mass is the smallest amount of fissile material under given conditions that sustains a chain reaction.

  1. Scouting America: Nuclear Science www.scouting.org/merit-badges/nuclear-science
    Explain what is meant by a "critical mass."
    Checked 2026-11-07.

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