Noble Gases
Noble Gases any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and element 118, Ununoctium. Noble gases have several important applications in industries such as lighting, welding, and space exploration.