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The name for the emissions of rays and particles by a radioactive material are called radioactive decay. There are many different types of radioactive decay that emit different rays and particles.
emits radioactive particles.
Its nucleus emits radioactive particles continuously.
3000 years or around that number
they last for about 2 minutes
This region become a radioactive contaminated area.
by ionising them
Gamma rays.
radioactive
AlphaGammaBeta
In physics, an alpha emitter is a radioactive substance which decays by emitting alpha particles.
alpha particles, beta particles, gamma radiation