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Among the lanthanides the one obtained b...

Among the lanthanides the one obtained by synthetic method is

A

Lu

B

Pm

C

Pr

D

Gd

Text Solution

Verified by Experts

The correct Answer is:
B
Element 61, promethium, does not occur naturally. It was first made and studied in 1946. The only isotopes of pm Which have been made so far are radioactive.
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