Noble gases are in Group 18 of the periodic table. Alphabetically (atomic number in brackets) they are: Argon(18), Helium(2), Krypton(36), Neon(10), Radon(86) and Xenon(54).
The Noble gases are in Group 0 ( the farthest right on the Periodic Table) and are Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn). Their atomic number (in order listed...