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
A
94 and 238
B
90 and 236
C
88 and 234
D
90 and 234
Verified Correct Answer: D.
Physical Principles & Numerical Solution
\(U^{238 - 4}_{92 - 2}\)
Source: Myschool Past Questions Archive (Record #34611)