A radioactive nucleus undergoes a series of decay according to the scheme

$A\xrightarrow{\alpha }{{A}_{1}}\xrightarrow{\beta }{{A}_{2}}\xrightarrow{\alpha }{{A}_{3}}\xrightarrow{\gamma }{{A}_{4}}$

If the mass number and atomic number of $A$ are $180$ and $72$ respectively, then what are these number for $A_4$

  • A

    $172$ and $69$

  • B

    $174$ and $70$

  • C

    $176$ and $69$

  • D

    $176$ and $70$

Similar Questions

In which of the following nuclear reactions, the product is incorrectly matched ?

${ }_{92}^{238} U$ atom disintegrates to ${ }_{84}^{214} Po$ with a half of $45 \times 10^9$ years by emitting $\operatorname{six} \alpha-$ particles and $n$ electrons. Here, $n$ is

  • [KVPY 2012]

$\gamma$-decay occurs when

$\alpha$ -particle consists of 

  • [NEET 2019]

When a nucleus with atomic number $Z$ and mass number $A$ undergoes a radioactive decay process :