Copper,_Aluminum,_And_Cadmium

Copper, Aluminum, And Cadmium Copper, also know as CU has a atomic number of 29, and an atomic weight of 63.546. It’s melting point is 1357.62 and boiling is 2835 K Copper is a great conductor of heat and electricity. Evidence suggests that people have been using copper for at least 11,000 years. The Roman Empire obtained most of its copper from the island of Cyprus, which is where copper's name originated. (Jefferson_Lab). One of the largest deposits of the copper ore is located in the United States. Pure copper is usually too soft for most uses. People first learned about 5,000 years ago that copper can be strengthened if it is mixed with other metals. (Jefferson_Lab) Then they discovered brass which is now used in some musical instruments, screws and other hardware that must resist corrosion. Aluminum, the element shown on the periodic table as Al has an atomic number of 13 and atomic weight of 26.981. Aluminum’s boiling point is 2792 K and 933.32 K. Aluminum is the most abundant metal on copper, atomic, metal, jefferson_lab, cadmium, weight, point, number, discovered, boiling, aluminum, years, wide, television, table, sets, phosphors, periodic, per, people, now, melting, kilogram, aluminum’s, about, zinc, worth, white, while, way, variety, utensils, using, united, today, suggests