it is to be noted that an alpha particle is an helium nucleus. so it contains 2 protons 2 neutrons and has a mass number of 4. when alpha decay particles are ejected from the nucleus it gets transformed into an atom which has atomic number less than 2 and a mass number less than 4.
an equation that could represent alpha decay is radium 226 decay of alpha particle forms radon 222.
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the answer is symmetrical : )
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i think tornado but not 100%
Answer from: Quest
Aquantity of that isotope to decay to 1/2 of its original value
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