The radioactive isotope ⁷Be (atomic number 4) decays to the isotope ⁷Li (atomic number 3). What type of radioactive decay is this?

Name: The radioactive isotope ⁷Be (atomic number 4) decays to the isotope ⁷Li (atomic number 3). What type of radioactive decay is this?
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Quizplus · Accepted Answer

In electron capture, an inner orbital electron is captured by the nucleus of its own atom. This process decreases the atomic number by one but leaves the mass number unchanged, which matches the transition from ⁷Be to ⁷Li.

The Radioactive Isotope ⁷Be (Atomic Number 4) Decays to the Isotope