5
QuizMultiple Choice
Types of Radioactive Decay
Question 5 • R282: GR CA-Chemistry B (Grade Repair)
Deuterium is an isotope of hydrogen. The nucleus of a deuterium atom consists of one proton and one neutron. When two deuterium nuclei fuse, helium-3 is formed, and a neutron is emitted. Which equation illustrates this process?
Answer
A
2 upper H subscript 2 plus upper o subscript 2 right arrow 2 upper H subscript 2 upper O.
B
2 superscript 2 subscript 1 upper H right arrow superscript 3 subscript 1 H plus superscript 1 superscript 1 H.
C
2 superscript 1 subscript 1 upper H right arrow superscript 2 subscript 1 H plus superscript 0 subscript 1 e.
D
2 superscript 2 subscript 1 upper H right arrow superscript 3 subscript 2 upper H e plus superscript 1 subscript 0 n.