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- Solomon Islands (9265 bytes)
41: |From the [[United Kingdom|UK]]<br>[[July 7]], [[1978...
63: ...o be held in secret to prevent local [[warlord]]s from interfering. The security forces were unable to...
65: ...e Australian contribution is known as [[Operation Anode]].
70: ...tion is based on single-member constituencies. Suffrage is universal for citizens over age 18. The [[p...
72: ... no confidence, and government leadership changes frequently as a result. Cabinet changes are common. - Capacitor (29664 bytes)
9: [[Image:Dielectric.png|frame|The electrons in the molecules shift toward th...
14: :<math>C = \frac{Q}{V}</math>
32: :<math>i(t) = C \frac{dv(t)}{dt}</math>
34: The [[impedance]] in [[frequency domain]] can be written as
36: :<math>Z = \frac{1}{j \omega C} = - j X_C </math> - Electricity (13894 bytes)
6: ...eek]] ''ēlektron'' = "[[amber]]", which came from an old [[root (linguistics)|root]] ''ēlek-...
10: ..., and coined the modern Latin word ''electricus'' from ''ηλεκτρ&omicr...
12: ...[[Ebenezer Kinnersley]] of [[Philadelphia]] (less frequently) who created the convention of positive a...
16: Franklin's observations aided later scientists such ...
18: ...ions could be used to create positively charged [[anode]]s and negatively charged [[cathode]]s. When a co... - Barium (8466 bytes)
154: ...pure form. It is primarily found in and extracted from the [[mineral]] [[barite]] which is crystalized...
156: .../sup>* + 2[[electron|e<sup>-</sup>]] → Ba ([[anode]]) Cl<sup>-</sup>* → ?Cl<sub>2</sub> ([[gas|...
167: ...t does not dissolve, and is eliminated completely from the digestive tract. - Chlorine (10751 bytes)
39: '''Chlorine''' (from the [[Greek language]] ''Chloros'', meaning "pa...
44: ... [[salt]]-forming halogen series and is extracted from chlorides through [[oxidation]] and more common...
50: ...to kill [[bacterium|bacteria]] and other microbes from [[drinking water]] supplies and [[swimming pool...
73: ...Chlorine has 9 isotopes with mass numbers ranging from 32 to 40. Only three of these isotopes occur na...
90: ... is applied, chloride is released at the titanium anodes, whilst the sodium dissolves into the mercury ca... - Lithium (11359 bytes)
134: ...lithium reacts easily in water and does not occur freely in nature due to its activity, nevertheless i...
138: ... applications. It is also an important battery [[anode]] material due to its high
142: ...thium bromide]] are extremely [[hygroscopic]] and frequently used as [[desiccant]]s.
146: ...oxide]] is employed to extract [[carbon dioxide]] from the air in [[spacecraft]] and [[submarine]]s. A...
153: ... Both men tried and failed to isolate the element from its salts, however. - Magnesium (9193 bytes)
7: ...of this metal is to aid the removal of [[sulfur]] from iron and steel.
15: ...e production of pure [[uranium]] and other metals from their [[salt]]s.
17: * Dead-burned magnesite is used for refractory purposes such as brick and liners in furnac...
21: ...ing of [[tablet|tablets]], to prevent the tablets from sticking to the equipment during the tablet com...
26: The name originates from the [[Greek language|Greek]] word for a distric... - Aluminium (26079 bytes)
48: ...the [[world economy]]. Structural components made from aluminium are vital to the [[aerospace]] indust...
58: ...so coated with a thin layer of aluminium, but are front coated to avoid internal reflections even thou...
82: ...lue if people started producing this bright metal from clay. Therefore, instead of giving the goldsmit...
86: ...in bauxite ore and successfully extracted it. The Frenchman [[Henri Saint-Claire Deville]] improved W?...
88: ...t process]] in [[1886]] made extracting aluminium from minerals cheaper, and is now the principal meth... - Selenium (9236 bytes)
189: Selenium is used to remove color from glass, as it will counteract the green color fe...
199: ...s can be processed by a number of means to obtain free selenium.
205: While free selenium is nontoxic, many of its compounds are...
208: ...of the [[thyroid]] gland. Dietary selenium comes from cereals, meat, fish, and eggs. [[Brazil nuts]] ...
210: ...atively, people dependent on food that is sourced from selenium-deficient soil are also at risk. The [... - Tellurium (8984 bytes)
177: ... Amorphous tellurium is found by precipitating it from a solution of tellurous or telluric [[acid]] (T...
190: ...cury]], to form mercury cadmium telluride, an [[infrared]] sensitive [[semiconductor]] material is for...
193: ...h") was discovered in [[1782]] by the Hungarian [[Franz-Joseph M?von Reichenstein]] (M?Ferenc) in [[Tr...
195: ...applications for tellurium, as well as its use in free-machining [[steel]], which became the dominant ...
198: ...of blister [[copper]]. It is a component of dusts from [[blast furnace]] refining of [[lead]]. - Ion (2800 bytes)
4: ...particles that can be removed. The formation of ''free'' negatively charged atomic ions is non-trivial...
11: ...ired to produce a cation by stripping an electron from a more nearly neutral atom is the [[ionization ...
16: ...he portions of molecules that travel either to an anode or to a cathode. However, the mechanism by which ...
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