what elements make up a halogen light?
464284
There is the tungsten (W) filament and a halogen gas (e.g methyl bromide) in incandescent bulbs.\nBut in modern, brighter halogen bulbs another gas which is normally argon (Ar), krypton (Kr) or xenon (Xe) is used instead of the halogen gas as it is denser (it stops the evaporation of the tungsten filament better).
20622
You'll need to know what the electricity costs per kilowatt hour. They you need to know how many watts each bulb uses per hour. There are many different kinds of flood lights, the standard incandescent fllod light, mercury vapor, halogen, high pressure sodium, low pressure sodium. Each of these has an advantage in light and uses energy differently in producing light. You can determine the light output by the number of lumens the bulb produces.
697479
Mostly hydrogen. There is a little bit of helium and heavier elements in there as well.
735946
An incandescent bulb usually has a vacuum inside. Sometimes it has argon in it. While it is on, the tungsten in the filament is evaporating from the heat until finally the filament gets so thin that it breaks and the bulb is useless.\n\nA halogen bulb includes a halogen gas in it. While it is on, the tungsten in the filament is evaporating from the very high heat that these bulbs are operating at. However tungsten vapor evaporating from the filament combines with the halogen gas so that the filament is rebuilt when the tungsten lands on it and does not burn through. That lengthens the life of the bulb and the higher temperature also gives a brighter light for the same wattage. More light, more life, less operating cost.
727750
This is different for the different halogens. Chlorine is obtained by electrolysis of sea-water, but bromine and iodine can be obtained by using the differences in reactivity between them and chlorine.  Look them up as "extraction of chlorine" and "extraction of bromine" (and so on) and you'll get the answers.
955918
Liquid Nitrogen: N2\n\nThe diatomic elements are hydrogen, nitrogen, oxygen, and the halogens: fluorine, chlorine, bromine, iodine, and astatine. Astatine is so rare in nature (its most stable isotope has a half-life of only 8.1 hours) that it is usually not considered. Many metals are also diatomic when in their gaseous states.\n\n\n\nIn inorganic chemistry, the bisulfite (IUPAC-recommended nomenclature: hydrogen sulfite) ion is the HSO3− ion. It is the conjugate base of sulfurous acid, H2SO3. Salts containing the \nHSO3− ion are bisulfite [salt]s It is a weakly acidic substance which has a pKa of 6.97.\n\nSilver Bisulfate: AgHSO3\n\n\nPotassium Phospate (tribasic): K3 P O4 \n\nhttp://www.hbci.com/~wenonah/hydro/2kpo.htm
353876
If by "naturally occuring" you mean present in nature in its elemental form, then the answer includes noble gases (Helium and Argon), noble metals (Gold and Platinum and maybe Copper), and some diatomic molecules (Oxygen, Nitrogen) as well as Sulfur (S_8) and Carbon (graphite and diamond).  Most of the metals are found as some kind of oxide (in ores) or in salts (sodium chloride).  The halogens are found in salts (sodium chloride). \n\nA lot of today's useful materials were never present in significant amounts in elemental form, for example: iron, aluminum, zinc.
887711
Light IS energy...sorry I can only think of one...:(
74731
The gas mixture within the latest halogen lamps is designet to interact with the tungsten that is vaporized from the burning filament so that it will not coat the interior of the lamp glass, which wpi;d otherwise dim the bulb, thus extending its lifetime.  It can also be used to affect the spectrum of  the emitted light, with differing gas mixtures altering the emission spectrum.
800526
By electrickery of course! Nah basically in layman's terms the electrical energy passing through the gas inside the tube causes the gas to give off photons of light. There is no wire element getting hot and glowing, just gas. Different gas equals different colour light think of "neon lights". Others stuff is also put in along side the gas such as metal elements and often sodium. Street lamps are usually "sodium" bulbs. If you want to find out more use the term "gas discharge lamp" or similar and you'll be more successful in your searches.\n\nthis is worth a look http://en.wikipedia.org/wiki/Gas_discharge
603646
Halogens in general have antiseptic properties.  Think about chlorine!
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Huge order. Let's see how far it can be served.\n\n1. Monoatomic negative ions: take the element name (sometimes shortened) and add "-ide" (as in hydride, nitride, oxide, sulphide, phosphide, chloride...)\nPositive ions: element-name, charge (if several charges are possible), ion (sodium ion, iron II ion...)\n\n2. Polyatomic ions:\nComplexes with various ligands list the ligands and the central ion/atom.\nOxygen as ligands has its own nomenclature, depending on oxidation state. E.g. Sulphate, sulphite, perchlorate, chlorate, chlorite, hypochlorite...\n\n3. Binary molecular compounds: Halogen, oxygen and sulphur compounds usually have the correspondent "-ide" as if you had ionic compounds. Usually the more electropositive element is used as center.\n\n4. Acids: Oxygen acids have a similar nomenclature to oxygen ions.
313345
solar,  sun light, hydrogen
233865
Generally, the elements that form ionic bonds tend to have either very high or very low electronegativity. This means the Alkali metals, Alkaline Earth metals, and the Halogens, especially when reacting with each other.
43725
Bleach\nsodium hyporchlorite has HCL in it\nMuritic acid
158656
Unable to guesstimate.  You're talking biological macromolecules, most likely.  They would probably have carbon, hydrogen, nitrogen, oxygen, sulfur, phosphorus, and perhals a halogen or two.  And maybe even a metal ion or two thrown in for good measure.
914702
All of the Halogens (Br is a member) need only gain one electron to become stable. Its' diameter is on the smallish side for an atom of this size so it easy to capture and hold one electron.\n\nThe Alkali Metals on the other side complement the Halogens.\n\nGet an "A".