Question

which of the lanthanide is the man made element​? What is the element called?

Answer 1

Explanation:

The thirty rare earth elementsare composed of the lanthanide andactinide series. One element of thelanthanide series and most of theelements in the actinide series are calledtrans-uranium, which means synthetic orman-made.

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Answer 2

Answer:

One element of the lanthanide series and most of the elements in the actinide series are called trans-uranium, which means synthetic or man-made.