Flames are how it reacts with oxygen. It reacts with almost everything else too including metals. This explains why it is rarely ever found in any native, pure

Flames are how it reacts with oxygen. It reacts with almost everything else too including metals. This explains why it is rarely ever found in any native, pure form --- almost always bonded with something else that requires lots of energy to break apart. End result --- it is more of an energy consumer than an energy producer.