Respuesta :
Usually just the lower-case Greek letter alpha.
I'll type it here, and hope Brainly can handle it:
Small Greek Alpha ==> α
α is the symbol represents an alpha particle in nuclear equations
What is a nuclear equation ?
Nuclear equations represent the reactants and products in radioactive decay, nuclear fission, or nuclear fusion.
Alpha particle in nuclear equation
42 He 24He or 42α
so the symbol of alpha particle in nuclear equations is
α
learn more about nuclear equations:
https://brainly.com/question/19752321?referrer=searchResults
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