Detailed Instructions: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Problem:This element is found with silicon in the mineral pentlandite and with silicon and iron in pyrrhoite. Usually forming compounds in the +2 oxidation state, the +3 state also exists, as seen in its black oxide. It is a highly effective catalyst, especially in a spongy form known as the "Raney" catalyst, and it is often purified by the Mond process. FTP, what is this silvery metallic transition element with atomic number 28 and symbol Ni
Solution:
Science