Lead, with its chemical symbol Pb, is a common heavy metal often utilized in many things. The chemical itself is toxic, heavy, and poisonous. Its natural form is a soft and malleable metal with blue-gray color. Lead can be man-made or found in nature, most can be obtained from ores. Even though lead is such a common metal on this planet, it only makes up 0.0013% of the Earth’s crust. Lead is easily mined or made by roasting galena in hot air, which is mostly made of lead sulfate. Lead was originally found in the Roman Empire. The Romans made water pipes using lead, unfortunately they did not know that lead was poisonous. The fall of the Roman Empire is partially blamed on lead by some historians. In the modern world, lead is used as a protection
