The hardness of the element copper is measured at 2 1/2 to 3 mohs. The mohs hardness or mohs scale is used to measure the resistance that a smooth surface has towards scratching or abrasion.
Copper is found naturally as a red and gold metal. It is considered soft, but it can be hardened.
The atomic symbol for copper is Cu. The atomic number for the element is 29. The atomic number is also the number of protons found in the nucleus of one atom of the element. The name originates from the Latin word cuprum, which can be translated as "from the island of Cyprus."