A. Technetium
B. Plutonium
C. Berkelium
D. Curium
Answer: Technetium
A. Technetium
B. Plutonium
C. Berkelium
D. Curium
Answer: Technetium
Additional Information: Technetium was the first element to be artificially synthesized in 1937.
Subjects: Inventions and Discoveries, General Knowledge