Question Detail

PHY 104 PHY 104 Past Questions Objective Question

Question

Uranium is represented as ²³⁹₉₂U. Which of the option below could be an isotope of Uranium?
Options
A ²³⁹₉₁U
B ²³⁸₉₂U
Correct Answer
C ²³⁹₂₅U
D ²³⁹₉₀U
Correct Answer

Option B is the correct answer.

Detailed Explanation

Isotopes have the same atomic number (Z) but different mass numbers (A). Uranium has Z = 92. The option with Z = 92 is ²³⁸₉₂U.

Hint

Isotopes have the same number of protons.

Question Info