5
QuizMultiple Choice
Balancing Nuclear Reactions
Question 5 • R282: GR CA-Chemistry B (Grade Repair)
The mass number of an isotope of uranium is 238, and its atomic number is 92. Which symbol best represents this isotope of uranium?
Answer
A
Subscript 92 upper U.
B
Superscript 238 subscript 92 upper U.
C
Superscript 92 subscript 238 upper U.
D
Superscript 92 upper U.