Noble Gases: Properties of Each Element Essay

1593 Words7 Pages
The noble gases are group 18 of the periodic table and are chemical elements with similar properties. All of the noble gases have a full outer shell. None of them have color, odor, and all have very low chemical reactivity. There are six of them and they are Helium, neon, argon, krypton, xenon, and radon. Helium Helium has an atomic number of 2. It is has no color, no odor, or no taste. It is also an inert monatomic gas. It is the first of the noble gases on the periodic table. It’s melting and boiling points are the lowest among all elements and only exists as a gas except in extreme conditions. Helium is the second most abundant element in the universe, although not normally found naturally on earth but created by radioactive decay.…show more content…
It was discovered in 1898 (along with krypton and xenon). It was discovered by a scientist by the name if Sir William Ramsay when he chilled a sample of air until it became a liquid. He then warmed up the liquid and captured the gasesas they boiled off... It is one of the three elements that remain in dry air after oxygen, argon, carbon dioxide, and nitrogen have been removed, the other two being krypton and xenon. Neon was number two out of three of these incredibly rare elements to be discovered. It was recognized as an element by its extremely bright red emission spectrum. The word neon comes from the Greek word νέον which means new. Neon is used in glow lamps, high voltage discharge tubes, and advertising signs, a few plasma tube, and refrigerant applicants. When used in these products the neon gives off a reddish-orange glow. Neon also gives off this color when used in helium-neon lasers. Other than that neon is not used except for a few commercial uses, one of those being fractional distillation of liquid air. Neon is created in the fusion of helium, oxygen in the alpha process. It is abundant on a universal scale and is the fifth most abundant element in the universe by mass. The reason that is so rare on earth is because it is so light, has high vapor pressure at very low temperatures, and chemical inertness. Argon Argon has an atomic number of 18, its symbol is Ar, and it is a gas and is the third most common gas in

More about Noble Gases: Properties of Each Element Essay

Open Document