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:One atom of this element is found in a prototypic furan and an atom of this element forms the bridge in an ether. The liquid form of one of its allotropes is paramagnetic. Reactive species of this element are potent free radicals. It is found with silicon in quartz. Another allotrope of this element absorbs UV radiation. It has atomic weight 16. Rust is a combination of iron and this. For 10 points, name this element that along with hydrogen is found in water.
Solution:
Science