1
AssignmentMultiple Choice
Half-Life
Question 1 • Foothill-B Period-Chemistry-26/27B
Identify the parent isotope and daughter isotope in this nuclear reaction:Which is the parent isotope?
Answer
A
Superscript 218 subscript 86 R n.
B
Superscript 4 subscript 2 upper H e.
C
Superscript 222 subscript 88 upper R a.