Which of the following elements is an inner transition metal?
A)Pm
B)Ni
C)Zr
D)Lu

Name: Which of the following elements is an inner transition metal? A)Pm B)Ni C)Zr D)Lu
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Question

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Inner transition metals are those elements that belong to f-block of the periodic table. Among the given options, only Pm (promethium) is an inner transition metal as it belongs to the f-block of the periodic table. Ni (nickel), Zr (zirconium), and Lu (lutetium) belong to d-block and p-block of the periodic table, respectively.

Which of the Following Elements Is an Inner Transition Metal