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- Periodic Table of the Elements: Neon
Periodic Table of the Elements: NeonAtomic Number:10Atomic Symbol:NeNeonAtomic Weight:20.179ElectronConfiguration:2 · 8
- Ne
Ne, symbol for the element neon.
- Geissler tube
Geissler tube, gas discharge tube in which light is produced when an electric discharge passes through the rarefied gas in the tube. The color of the glow depends on the gas used. The tubes ar...
- inert gas
Inert gas or noble gas, any of the elements in Group 18 of the periodic table. In order of increasing atomic number they are: helium, neon, argon, krypton, xenon, and radon. They are colorless...
- Mount Vernon, cities, United States
Mount Vernon. 1 City (1990 pop. 16,988), seat of Jefferson co., SE Ill.; settled 1819, inc. 1872. It is a trade, rail, and industrial center in a farm and coal region. Tools, tires, transforme...
- Nauman, Bruce
Nauman, Bruce, 1941–, American artist, b. Fort Wayne, Ind.; studied Univ. of Wisconsin, Madison (B.A., 1964), Univ. of California, Davis (M.F.A., 1966). One of the most innovative and influent...
- nonmetal
Nonmetal, chemical element possessing certain properties by which it is distinguished from a metal. In general, this distinction is drawn on the basis that a nonmetal tends to accept electrons...
- argon
Argon [Gr.,=inert], gaseous chemical element; symbol Ar; at. no. 18; at. wt. 39.948; m.p. -189.2°C; b.p. -185.7°C; density 1.784 grams per liter at STP; valence 0. Argon is a colorless, odorle...
- Ramsay, Sir William
Ramsay, Sir William, 1852–1916, Scottish chemist. He was professor of chemistry at University College, Bristol (1880–87), and at University College, London (1887–1912). In his early experiment...
- Las Vegas
Las Vegas, city (1990 pop. 258,295), seat of Clark co., S Nev.; inc. 1911. It is the largest city in Nevada and the center of one of the fastest-growing urban areas in the United States. Reven...
