Saturday, February 04, 2006

alpha decay - definition - radiation and radioactivity

Definition: A nuclear or radioactive decay process where the parent nucleus transmutes by releasing an alpha particle. As an Alpha particle has two neutrons and protons, the new nucleus has an atomic number two less than the parent and an atomic weight number four less. Alpha particles and processes are often represented by the greek symbol alpha: α

Common Misspellings: Alpher, Alfer, alfa,

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