Uranium of atom number 92 and mass number 238 emits an alpha particle from its...

WAEC 2005

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

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Correct Answer: Option D

Explanation

\(U^{238 - 4}_{92 - 2}\)

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Uranium of atom number 92 and mass number 238 emits an alpha particle from its...

Correct Answer: Option D

Explanation

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