During β-decay of a radioactive element there is an increase in its

Question

During β-decay of a radioactive element there is an increase in its (A) mass number (B) neutron number (C) electron number (D) proton number

Tardigrade Admin · Accepted Answer

When a β--particle is emitted by a nucleus, its atomic number (z) is increases by one but mass number remains unchanged, i.e. Z X A xrightarrowβ- textpartical Z+1YA + anti-neutrino +e- Since, Z= number of protons = number of electrons.

Q. During $β^{-}$ decay of a radioactive element there is an increase in its

mass number

neutron number

electron number

proton number

atomic weight

When a $β^{-}$ -particle is emitted by a nucleus, its atomic number $(z)$ is increases by one but mass number remains unchanged, i.e.
$_{Z} X^{A} β^{-} partical_{Z + 1} Y^{A}$ $+$ anti-neutrino $+ e^{-}$
Since, $Z =$ number of protons $=$ number of electrons.

Q. During β−decay of a radioactive element there is an increase in its