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Actinide is not an element, but is a series of elements. Of the actinide series of elements, all except actinium, thorium, protactinium, and uranium are considered to be synthetic elements because they are not found in nature in appreciable amounts.

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Is californium a metal metalloid or a nonmetal?

Californium (Cf, 98th element) is a transuranic actinide, so it is a metal.Added:Cf is a synthetic radioactive metallic chemical element.


Element named after albert einstien?

Einsteinium is the element named after Albert Einstein. It is a synthetic element with the atomic number 99 and is part of the actinide series on the periodic table.


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A synthetic element that is also a transition metal is named "rutherfordium." It is element 104 on the periodic table and belongs to the transition metal group. Rutherfordium is produced in nuclear reactors by bombarding actinide elements with high-energy particles.


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What is the hardness of berkelium?

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What family is Americium in?

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