Board Thread:General Discussion/@comment-4441317-20180925053913/@comment-26832713-20180926031841

Well, for starters, phosphorous, chlorine and sulfur are nonmetals. But they still have a lot of fun properties, such as creating a toxic cloud of chlorine gas, making a stink bomb from pure sulfur which naturally smells terrible, or luminating a room with a phosphorescent glow.

As for the metals, sodium is a potent explosive when mixed with water, magnesium is useful for making flares or just burning really bright, and potassium is in almost everything from glass to bananas to laundry detergent.