Question

loss of beta particle is equivalent to

Answer 1

it is equivalent to gain of a proton
equation: neutron-->proton+electron
the electron is emitted as a beta particle
the proton is added to the nucleus resulting in an increase in the proton number by 1

Answer 2

@chmvijay loss of a helium nucleus is alpha decay, not beta decay

Answer 3

yaaa sorry i got confused :)