Chemistry: A Volatile History. Episode 3

Chemistry: A Volatile History Episode 3: The Power of the Elements Just 92 elements combine to form all the compounds on Earth. Iron, when combined with chromium, carbon and nickel makes stainless steel. Glass is made of silicon and oxygen. Since prehistoric times, people have been engaging in bucket chemistry adding all sorts of chemicals together, just to see what would happen. As a result, many early discoveries in chemistry were accidental.