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Sticky Note
A radioactive atom X emits an beta-particle. The resulting atom _____?
ایک تابکار ایٹم ایکس ایک بیٹا پارٹیکل خارج کرتا ہے۔ نتیجے میں ایٹم _____؟
  1. Must be radioactive
  2. Has an atomic number that is one more than that of X
  3. Has a mass number that is one less than that of X
  4. None of these
Explanation
  • 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.

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