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A radioactive nucleus undergoes a series of decays according to the sequence

+2 votes

asked Mar 19, 2019 in Class 12 by kratos

A radioactive nucleus undergoes a series of decays according to the sequence

If the mass number and atomic number of X3 are 172 and 69 respectively, what is the mass number and atomic number of X?

thermionic emission
cbse
radioactivity
class-10
icse
class-12

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1 Answer

+6 votes

answered Aug 6, 2020 by kratos

Best answer

Given, Atomic number of X3 - 69

Mass number of X3 = 172

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