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Raju Lal Kari
Asked: 2022-11-02T17:58:22+05:30 In:

Among the lanthanides the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd

Among the lanthanides the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
Parabola
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  1. Correct Answer – B
    Promethium (Pm) is the element which is prepared only by synthetic methods. It is not present in nature. It is the synthetic radioactive lanthanoid.

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Uma Sarin
Asked: 2022-10-30T19:29:08+05:30 In:

Among the lanthanides the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd

Among the lanthanides the one obtained by synthetic method is
A. Lu
B. Pm
C. Pr
D. Gd
Parabola
Leave an answer

Leave an answer

Browse

1 Answer

  1. Correct Answer – 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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