When the number of molecules decomposed is less than one per photon, the reaction has ______ quantum yield.
A. low
B. high
C. unpredictable
D. variable
Answer:A
When the number of molecules decomposed is less than one per photon, the reaction has ______ quantum yield.
A. low B. high C. unpredictable D. variable
Explanation: When the number of molecules decomposed is less than one per