Question

β-particle is emitted in radioactivity by
(a) conversion of proton to neutron
(b) form outermost orbit
(c) conversion of neutron to proton
(d) β-particle is not emitted.

Answer 1

(c) : Since the nucleus does not contain β-particles, it is produced by the conversion of a neutron to a proton at the moment of emission.
₀n¹ → ₊₁p¹ + _–1e⁰