Atoms of the same element with different numbers of neutrons. The availability of suitable substitutes for a given commodity.
Although generally unreactive, xenon can undergo a few chemical reactions such as the formation of xenon hexafluoroplatinate, the first noble gas compound to be synthesized. The number of protons in an atom. The low thermal conductivity minimizes thermal losses in the lamp while in the operating state, and the low ionization potential causes the breakdown voltage of the gas to be relatively low in the cold state, which allows the lamp to be more easily started. This same technology also led to the invention of the first solid-state laser in 1960. Hi, I'm Tim and I want to welcome you to wanttoknowit.com. You may browse, download or print out one copy of the material displayed on the Site for your personal, non-commercial, non-public use, but you must retain all copyright and other proprietary notices contained on the materials. The RSC maintains this Site for your information, education, communication, and personal entertainment. Xenon difluoride is used as an etchant for silicon, particularly in the production of microelectromechanical systems (MEMS). Where more than one isotope exists, the value given is the abundance weighted average. [18] [159][160] Because xenon is soluble both in water and in hydrophobic solvents, it can image various soft living tissues. odorless gas and is a member of the noble gas family of elements A mixture of xenon and neon is used in the cells of plasma televisions. The interaction of this plasma with the electrodes generates ultraviolet photons, which then excite the phosphor coating on the front of the display. [116] This clathrate has a melting point of 24 °C. Xenon difluoride is used to etch silicon microprocessors. Xenon-129, a stable isotope that makes up about a quarter of naturally occurring xenon, turns out to be ideal for use in magnetic resonance imaging. [161][162][163], The xenon chloride excimer laser has certain dermatological uses.
The most effective car headlamps currently available contain xenon gas at pressures of a couple of atmospheres. Half of the distance between two unbonded atoms of the same element when the electrostatic forces are balanced. The story of xenon begins in 1894 when Lord Rayleigh and William Ramsay were investigating why nitrogen extracted from chemical compounds is about one-half per cent lighter than nitrogen extracted from the air - an observation first made by Henry Cavendish 100 years earlier.
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