The correct answer is: A. Copper
Copper is a chemical element with the symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. Copper is one of the most widely used metals, and is a major component of many alloys, including brass and bronze. Copper is also used in electrical wiring, plumbing, and roofing.
Iron is a chemical element with the symbol Fe and atomic number 26. It is a metal that is found in the Earth’s crust. Iron is the fourth most abundant element in the Earth’s crust, after oxygen, silicon, and aluminum. Iron is a very important metal, and is used in many different products, including cars, buildings, and machines.
Zinc is a
chemical element with the symbol Zn and atomic number 30. It is a metal that is found in the Earth’s crust. Zinc is a very important metal, and is used in many different products, including batteries, paints, and plastics.Lead is a chemical element with the symbol Pb and atomic number 82. It is a metal that is found in the Earth’s crust. Lead is a very heavy metal, and is used in many
different products, including batteries, ammunition, and pipes.Copper is the only metal that occurs in free state in nature. This means that it is not found in combination with other elements. Copper is found in the Earth’s crust in the form of ores, such as chalcopyrite and malachite. Copper ores are mined and then processed to extract the copper. Copper is a very important metal, and is used in many different products, including electrical wiring, plumbing, and roofing.