Thu December 15, 2011 By: Richa John

can v say luking at de symbol,atomic num,atomic mass whether it will undego alpha,beta or gamma decay??

Expert Reply
Mon December 19, 2011
elements of atomic number >82 are radioactive.
their neutron proton ratio  says they will radiate alpha, beta or gama rays. but we can not predict which onme.
by seeing the product or the element after radiation we can say which radiations were emitted.
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