A radioactive nucleus undergoes a series of decay according to the following scheme –
A 
A 1 
A 2 
A 3 
A 4
If the mass number and atomic number of A are 180 and 72 respectively, what are these numbers for A 4 ?
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
Sol. 
Thus, mass number of 
is 172 and atomic number is 69 .
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