Sulfur is one of the few elements found pure in nature. This "native" sulfur is probably of volcanic origin. Also called brimstone, it oxidizes and is responsible for the characteristic smell of many volcanoes. (Sanskrit. sulvere; Latin. sulpur, brimstone)
The 2nd most abundant element in the universe. Ordinarily a colorless, inert gas, helium glows pale peach when an electric current runs through it. (Greek. helios, the sun)
An odorless and colorless gas that makes up 78% of the earth's air. Liquid nitrogen boils at -195.8°C. (Latin. nitrum, native soda)