Symbols for nuclear radiations

Each of the nuclear radiations has it own accepted symbol(s).
 

Alpha

(Greek letter 'a' - alpha)

(Greek letter 'a' - alpha)

(Chemical symbol for helium)

Beta

(Greek letter 'b' - beta)

(Greek letter 'b' - beta)

('e' stands for electron)

Gamma (Greek letter 'g' - gamma)
Positron

(Greek letter 'b' - beta)

(Greek letter 'b' - beta)

('e' stands for electron)

 

Most naturally occurring elements are mixtures of isotopes, which are represented by symbols of the form

where: X is the symbol of the element, A is the nucleon number and Z is the proton number