Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-nuclear-science-156fca1c62a0

What is a beta particle?

An electron ejected from a decaying nucleus.

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  1. A gamma ray photon
  2. An electron ejected from a decaying nucleus ✔
  3. A helium nucleus

Why: In beta decay a neutron converts to a proton and an electron is ejected; that electron is the beta particle.

Huh, didn't know that: In beta decay a neutron converts to a proton and an electron is ejected; that electron is the beta particle.

The dad joke
Beta particles are electrons with a nuclear exit pass.
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References

Answer: An electron ejected from a decaying nucleus. In beta decay a neutron converts to a proton and an electron is ejected; that electron is the beta particle.

  1. Nuclear physics en.wikipedia.org/wiki/Nuclear_physics
    beta decay, in which they eject an electron (or positron)
    Checked 2026-11-07.

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