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3 votes
A positron is emitted when ____________. *

an alpha particle forms
proton converts to a neutron
neutron converts to a proton

User Ant
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1 Answer

3 votes
The correct answer is:
a positron is emitted when proton converts to a neutron.

The reaction can be described as following:
₁¹p (proton) → ₀¹n (neutron) + ₁°e (positron or ₁⁰β)
Positron is an antiparticle of a β particle (₋₁°β), which means it has an oposite charge to it, but same mass.

User Tbogatchev
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