List of Noble Gas Elements Published on: April 9, 2020 | Last Updated on: August 15, 2023 by Fraiser Moorhouse Group of element – Noble Gas NameSymbolAtomic NumberAtomic weigthHeliumHe24.002602NeonNe1020.1797ArgonAr1839.948KryptonKr3683.8XenonXe54131.29RadonRn86-222.0176