Uranium of atom number 92 and mass number 238 emits an alpha particle from its nucleus. The new nucleus formed has respectively, atomic number and mass number. By: Sunday|Published on: May 21|Categories: Physics WAEC| 0 comments A. 94 and 238 B. 90 and 236 C. 88 and 234 D. 90 and 234 Correct Answer: Option D D. 90 and 234 Users Also Read These:The atomic number of an atom would be equal to its mass…An element of nucleon number P and atomic number Q emits an…Chlorine consisting of two isotopes of mass number 35 and 37…The atomic number of an isotope of hydrogen is equal to its…If a radioactive atom emits a beta particle, Its mass…SEE ALSO Let Δx be the uncertainty in the measurements of position and Δp the uncertainty in the measurement of momentum. The uncertainty principle relation is given as?