http://edtech2.boisestate.edu/lindabennett1/images/alpha%20beta%20gamma%20diagram.gif
There a three types of radioactive decay, beta, gamma, and alpha. In Alpha decay the atomic number decreases by 2 and the mass number decreases by 4, in Beta decay the proton count increases by 1 and the mass doesn't change, and in Gamma decay there is no change in the charge.
Websites:
Nuclear Chemistry
Video on Radioactive Decay
Thank you for this post, this sums up the radiation topic very nicely and helps layout the main points in an effective way.
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