A radioactive atom X emits an beta-particle. The resulting atom _____?

ایک تابکار ایٹم ایکس ایک بیٹا پارٹیکل خارج کرتا ہے۔ نتیجے میں ایٹم _____؟

Must be radioactive

Has an atomic number that is one more than that of X

Has a mass number that is one less than that of X

None of these

Beta decay occurs when a neutron converts into a proton, emitting a beta particle (electron) and an antineutrino.

The atomic number increases by 1, but the mass number remains the same.