In 1955, which synthetic element is provisionally named Mendelevium in honor of Dmitri Mendeleev, who created one of the first periodic tables?

Element 101

The correct answer is option 2.  Element 101.

In 1955, the synthetic element provisionally named Mendelevium in honor of Dmitri Mendeleev, who created one of the first periodic tables, is Element 101. Therefore, the correct option is: Element 101