Copper
Cu
The element copper's atomic number is 29, mass number 63.546, group number 11, period number 4, it is a transition metal, it is a solid, and it is a metal. Three real world uses are, AC units, copper wires, and car motors.
AC unit
Copper wires are used to quickly heat and cool because they are good conductors
Copper wire
Used in ac units and cars
Car motor
Good condor, used for efficiency.