Argon and Xenon are both gases that belong to the group of noble gases. Noble gases are a group of elements in the periodic table that are characterized by their low reactivity. Argon and Xenon are two of the most common noble gases, and they are both colorless, odorless, and tasteless. Argon is the most abundant noble gas in the atmosphere, while Xenon is much rarer. Both gases have a variety of uses, including in lighting, welding, and medical imaging.