What is the name of the group of elements that are human-made and do not occur in nature? Actinides Halogens Noble gases Nonmetals

Actinides

Explanation:

Actinides are the 15 elements with atomic numbers from 89 to 103. They are named after the first element in the series, actinium. The actinides group includes mostly man-made elements with only a few exceptions such as uranium and thorium.

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