DOUBLE DIN CAR STEREO EXAMPLE. When talking bout DIN car stereo, DIN refers to a standardized radio/stereo size for vehicles (large enough to accept a CD). The size is 2â³ high by 7â³ wide. 2 DIN or double DIN refers to units that are twice as high as the standard DIN, and so 1 DIN would be the standard DIN specification.
The noble gases are the elements in Group 18 of the periodic table. These are the inert gases, and they include helium, neon, argon, krypton, xenon and radon. The chemical sym â¦ bols for these elements are He, Ne, Ar, Kr, Xe, and Ra, respectively. 5 people found this useful.
Definition of Noble Gases. The periodic table is divided into 18 vertical columns referred to as groups or families. On the far right side of the periodic table, in group 18 is a unique group of elements known as the noble gases. The noble gases are a group of extremely nonreactive elements that all exist in the gas state. They are often considered to be inert. Inertness refers to an element's tendency to resist change and reactions.