<h2>
Hey There!</h2><h2>
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Answer:</h2><h2>_____________________________________</h2>
(I) 
(II) 
(III) 
(IV) 
(V) 
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Best Regards,</h2><h2>
'Borz'</h2>
Radioactivity another name for radioactive decay. Radioactivity refers to particles emitted from nuclei as a result of nuclear instability.