Chemistry
Task 1
Aly Merchant Year 11
Timeline and Profile of Aluminium
Element: Aluminium
Element Symbol: Al
Atomic Number: 13
Atomic Weight: 26.981539
Melting point: 660.32 °C (933.47 K )
Boiling point: 2,519 °C (2743 K )
Electron Configuration: 2,8,3 [1]
[1] “Royal Society of Chemistry”, John Emsley 2012.
Aluminium is a chemical element which is a metal, it is lustrous, ductile and non magnetic. Aluminium is also the third most abundant element on earth and the most abundant element in the earths crust. It displaces iron and steel for uses which it is better suited for and is used in an alloy with other metals i.e. copper.
Timeline
16th Century - Famous Paracelsus attempts to separate “aluminous soil” which contained an
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Intext Reference:
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Aluminum is the third most abundant element and most abundant metal in the Earth’s crust. Aluminum is never found in the free element state in nature. It
200 Extraction and stripping then occur, here the copper ions are selectively removed from the leaching solution by the "ligand exchange solvent extractionγ " method. During this a good ligand (a molecule containing one or more unshared pairs of electronsδ ) is dissolved in an organic solvent, such as kerosene, which is immiscible with water. This solution is mixed with ater containing Cu2+ ions and a displacement reaction occurs. Cu2+ (aq) + 2LH(organic) → CuL2(organic) + 2H+(aq) Equation 1γ
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Atoms are electrically neutral; the electrons that bear the negative charge are equal in number to the protons in the nucleus
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I am going to discuss about the element known as gold in my assignment. To describe the element gold in simple terms, I can only say that it is an element (chemical element). This element is denoted by the symbol Au. It has an atomic number of seventy nine (79). I will describe quite a number of things concerning gold as an element. To begin with is:
Winter, Mark. "WebElements Periodic Table of the Elements | Iron | historical information." Periodic Table of the Elements by WebElements. N.p., 1993. Web. 9 Jan. 2013. .
Bauxite is a clayey rock that's the main ore of aluminum. It consists of hydrous aluminum oxide with proportions of iron oxides. Bauxite is mostly used for aluminum production. It’s a rock composed largely of aluminum-bearing minerals. It forms once dirt soils are severely leached of silicon oxide and alternative soluble materials during a wet tropical or subtropic climate. Primarily, all the aluminum that has ever been created has been mined from Bauxite.
However, filler metals are generally divided based on their working temperatures. Aluminum and aluminum alloys commonly brazed with filler metals that the working ...
Aluminum is one of a number of soft metals that scientists call "poor" metals. It can be shaped and twisted into any form. It can be rolled into thick plates for armored tanks or into thin foil for chewing gum wrappers. It may be drawn into a wire or made into cans. Aluminum is a generally popular metal because it does not rust and it resists wear from weather and chemicals. (Bowman, 391) Aluminum is an element. Its atomic number is thirteen and its atomic weight is usually twenty-seven. Pure aluminum melts at 660.2ºC and boils at 2500ºC. Its density is 2.7 grams per cube centimeter. Aluminum is never found uncombined in nature. (Bowman, 391) Aluminum is a very useful metal that is light, easy to shape and can be strong. This makes aluminum one of the most used metals in the world, right behind iron and steel. (Geary, 185) In its pure state, aluminum is quite weak compared to the other metals. However, its strength can be greatly increased by adding small amounts of alloying elements, heat-treating, or cold working. Only a small percentage of aluminum is used in its pure form. It is made into such items as electrical conductors, jewelry, and decorative trim for alliances and cars. A combination of the three techniques has produced aluminum alloys that, pound for pound, are stronger than structural steel. Some common metals used in alloys for aluminum are copper, magnesium and zinc.(Walker, 31) The added elements give the aluminum strength and other properties. (Newmark, 41) Aluminum is one of the lightest metals. It weighs about 168.5 pounds per cubic foot, about a third as much as steel which weighs 487 pounds per cubic foot. (Neely, 214) As a result, aluminum has replaced steel for many uses. For example, some ...
Metalloids can be applied in almost all aspects of life. From being used in gum and toys to technology and spacecraft, metalloids are very useful. For example, Silicon can be used in electrical insulators, fabric softeners, hair sprays, hand creams, furniture, polishes, paints, adhesives, and gum. While Arsenic is used for bronzing, the hardening of lead in shotgun shells, and as a dopant, because metalloids are semiconductive, Antimony could be used in making bells, tools, printing presses, batteries, alloys, bullets, and cable sheathing. Furthermore, Tellurium is used to build electronics and make metals easier to cut. Tellurium is also used in coloring glass, porcelain, enamel, and ceramics. Lastly, Germanium is used in fluorescent lamps, infrared spectroscopes, and infrared detectors. Together, metalloids have many applications that can be used to create and upgrade certain
Aluminum is an alloy of steel which is used for making less weight materials having high resistance when compared with steel material. Number of automotive industries use Aluminum for making hoods and different boards and I 've known about not very many issues with them. Planes use aluminum with bolts and glues and clearly there 's no issue with them enduring quite a while. Aluminum horse trailers are unfathomably better than steel. one can even purchase a premium stallion trailer that is not made with aluminum. Humvee 's and other military vehicles utilize bunches of aluminum. What about all the mail trucks out there? I have numerous force devices with aluminum lodging and they truly get hammered. Aluminum edges have dependably been viewed as premium versus steel. Obviously it isn 't consummate, however aluminum is better than steel in many applications.
In chemistry, metals compose a great number of the periodic table elements. Each metal has its own characteristic mass,
Decoste, Z. (2009). Introductory Chemistry A foundation. In S. S. Dcoste, 7th edition (pp. 167, 168, 169, 170). Massachusetts: Charles Hartford.
The alloys in which alluminium is a major components is called as alluminium alloys.alluminium alloys contains manganese, copper tin and lead are other major components.these alloys are usually used in air craft industries where light metals are employed to make aircraft bodies.alluminium alloys devalope an white coating due to the formation of alluninium oxide layer. In a moisture containing atmosphere, corrosion will happen when these alloys are kept with some other metals with more positive corrosion potentials than aluminium, and an electrolyte that helps ion transfer. Referred to as dissimilar-metal corrosion, this process will occure as scaling away or as intergranular decay.alluminium ions are usually improperly heat