The elements of group I are not usually found free in nature because:
A. They are very unreactive.
B. They are rare earth metals.
C. They are all man made.
D. They are very reactive.
Answer:D
The elements of group I are not usually found free in nature because:
A. They are very unreactive. B. They are rare earth metals. C. They are all man made. D. They are very reactive.