1 Answer

Ranguard · Answer 1 · 2016-07-21T09:18:07+0000

Answer: The mass number of the beta particle is 0.

Explanation: There are three types of radioactive decays. One of which is beta minus decay.

In beta minus decay, a neutron gets converted to a proton and electron. The electron released is the beta particle which does not carry any mass.

General reaction for beta- minus decay is given by:

$_Z^A\textrm{X}\rightarrow _(Z+1)^A\textrm{Y}+_(-1)^0\beta$

Where A represents the mass number

Z represents the atomic number

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