Aluminium and gallium silvery gallium. Medical search. Frequent questions

In its elemental form, gallium has a silvery appearance. (americanelements.com)
A metal with a silvery appearance. (thingdb.io)
In its solid state, pure gallium has a beautiful silvery appearance, although it usually gets a bluish tinge due to superficial oxidation. (eartheclipse.com)
It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. (everipedia.org)
Ultra-pure gallium has a beautiful, silvery appearance, and the solid metal exhibits a conchoidal fracture similar to glass. (shef.ac.uk)

Discovered by the French chemist Paul-Émile Lecoq de Boisbaudran in 1875, gallium is in group 13 of the periodic table and is similar to the other metals of the group (aluminium, indium, and thallium). (wikipedia.org)
Gallium belongs to group 13 of the periodic table. (moviecultists.com)

Gallium does not occur as a free element in nature, but as gallium(III) compounds in trace amounts in zinc ores (such as sphalerite) and in bauxite. (wikipedia.org)
Gallium does not exist as a free element in nature and is sourced commercially from bauxite and sphalerite. (americanelements.com)
Instead, gallium (III) compounds are found in trace amounts in bauxite and zinc ores (like sphalerite ), from where it is extracted as a by-product. (eartheclipse.com)
The purification of bauxite by the Bayer process results in concentration of gallium in the alkaline solutions from an aluminium:gallum ratio from 5000 to 300. (shef.ac.uk)
The Bayer process is used to refine aluminium from bauxite, an aluminium ore. (webelements.com)
Aluminium is mined in huge scales as bauxite (typically Al 2 O 3 .2H 2 O). Bauxite contains Fe 2 O 3 , SiO 2 , and other impurities. (webelements.com)
In order to isolate pure aluminium, these impurities must be removed from the bauxite. (webelements.com)
Bauxite is the aluminium ore. (nalesnikarniacynamon.pl)

Since its discovery in 1875, gallium has widely been used to make alloys with low melting points. (wikipedia.org)
Gallium alloys are used in thermometers as a non-toxic and environmentally friendly alternative to mercury, and can withstand higher temperatures than mercury. (wikipedia.org)
Gallium forms alloys with most metals. (wikipedia.org)
It readily diffuses into cracks or grain boundaries of some metals such as aluminium, aluminium-zinc alloys and steel, causing extreme loss of strength and ductility called liquid metal embrittlement. (wikipedia.org)
It is a key component in producing high strength Aluminium alloys used in aerospace and 3D printing as well as in Solid Oxide Fuel Cell (SOFC) applications. (tesmet.gr)
Scandium -Aluminium alloys were first used in the 1980s for structural purposes in Soviet aircrafts and missiles. (tesmet.gr)
Because of the low availability and difficulties in the preparation of metallic scandium, which was first done in 1937, applications for scandium were not developed until the 1970s, when the positive effects of scandium on aluminium alloys were discovered. (wikimili.com)
Pure aluminium is soft and lacks strength, but alloys with small amounts of copper, magnesium, silicon, manganese, and other elements have very useful properties. (webelements.com)

An even lower melting point of −19 °C (−2 °F), well below the freezing point of water, is claimed for the alloy galinstan (62-⁠95% gallium, 5-⁠22% indium, and 0-⁠16% tin by weight), but that may be the freezing point with the effect of supercooling. (wikipedia.org)
Semiconducting gallium nitride and indium gallium nitride produce blue and violet light-emitting diodes and diode lasers. (wikipedia.org)

Europium is used as a dopant for many materials, including yttrium oxide, gallium nitride, strontium aluminate, zinc / aluminium double hydroxides and monoclinic gadolinium oxide. (coinandbullionpages.com)
In the 1990s gallium nitride (GaN) was discovered to emit blue light in light-emitting diodes (LEDs). (shef.ac.uk)

To create metallic nanocrystals, New Zealand and Australian scientists have been experimenting with gallium, a soft, silvery metal which is used in semiconductors and, unusually, liquifies at just above room temperature. (nanowerk.com)
Once cooled, the metallic crystals emerged while the gallium remained liquid. (nanowerk.com)
A silvery-white metallic d-block element, it was discovered in 1879 by spectral analysis of the minerals euxenite and gadolinite from Scandinavia. (tesmet.gr)
A silvery metallic transition metal, yttrium is common in rare-earth minerals and two of its compounds are used to make the red color phosphors in cathode ray tube displays, such as those used for televisions. (testbourne.com)
It is a silvery-white metallic d-block element . (wikimili.com)
As with other related rare-earth metals, gadolinium is silvery white, has a metallic luster, and is malleable and ductile. (evo-chem.com)

Gallium shares the higher-density liquid state with a short list of other materials that includes water, silicon, germanium, bismuth, and plutonium. (wikipedia.org)

Very pure gallium is a silvery blue metal that fractures conchoidally like glass. (wikipedia.org)

If enough force is applied, solid gallium may fracture conchoidally. (wikipedia.org)
Liquid gallium also conducts electricity better than solid gallium. (eartheclipse.com)

Then we will look at the magnetic properties of gallium and its compounds. (eartheclipse.com)
In most compounds, gallium has an oxidation state of +3, and sometimes, +1 (as in the oxide, Ga2O). (eartheclipse.com)
Gallium reacts with group 13 elements like aluminium and idiom to form compounds that have significant semiconductor and optoelectronic properties. (eartheclipse.com)
The properties of scandium compounds are intermediate between those of aluminium and yttrium . (wikimili.com)
Gallium compounds appear not to be particularly toxic. (shef.ac.uk)
Binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and other compounds of gallium where known. (shef.ac.uk)
Aluminium compounds are toxic to most plants and somewhat toxic to mammals. (webelements.com)

Gallium was first discovered in by Paul-Emile Boisbaudran in 1875, and today it is widely used in electrical products. (eartheclipse.com)
Gallium was discovered by Paul-Emile Lecoq de Boisbaudran in 1875 at France. (shef.ac.uk)

Formation of Deep Electron Traps by Yb Codoping Leads to Super-Long Persistent Luminescence in Ce-Doped Yttrium Aluminum Gallium Garnet Phosphors. (americanelements.com)
It is relatively soft, and resembles yttrium and the rare-earth metals more than it resembles aluminium or titanium. (webelements.com)

Gallium is also used in the production of artificial gadolinium gallium garnet for jewelry. (wikipedia.org)

Unlike mercury, liquid gallium metal wets glass and skin, along with most other materials (with the exceptions of quartz, graphite, gallium(III) oxide and PTFE), making it mechanically more difficult to handle even though it is substantially less toxic and requires far fewer precautions than mercury. (wikipedia.org)
Another environmentally friendly alternative is an alloy of aluminium and gallium which similarly renders the aluminium more reactive by preventing it from forming an oxide layer. (wikipedia.org)
Nepheline and alunite are minerals which have also been used as raw materials for production of aluminium oxide. (nalesnikarniacynamon.pl)

Tantalum is a shiny, silvery coloured metal which is heavy, dense, malleable and ductile when pure. (goodfellow.com)
Tantalum is a shiny, silvery metal. (attelements.com)

The gallium atom has a radius of 122.1 pm and a Van der Waals radius of 187 pm. (americanelements.com)

Gallium arsenide is capable of converting electricity directly into coherent light and gallium arsenide is a key component of LEDs (light emitting diodes). (shef.ac.uk)

The melting point of gallium is used as a temperature reference point. (wikipedia.org)
The melting point of gallium, at 302.9146 K (29.7646 °C, 85.5763 °F), is just above room temperature, and is approximately the same as the average summer daytime temperatures in Earth's mid-latitudes. (wikipedia.org)
The triple point of gallium, 302.9166 K (29.7666 °C, 85.5799 °F), is used by the US National Institute of Standards and Technology (NIST) in preference to the melting point. (wikipedia.org)
The melting point of gallium allows it to melt in the human hand, and then solidify if removed. (wikipedia.org)

Gallium arsenide, the primary chemical compound of gallium in electronics, is used in microwave circuits, high-speed switching circuits, and infrared circuits. (wikipedia.org)

Gallium is one of the four non-radioactive metals (with caesium, rubidium, and mercury) that are known to be liquid at, or near, normal room temperature. (wikipedia.org)
Of the four, gallium is the only one that is neither highly reactive (as are rubidium and caesium) nor highly toxic (as is mercury) and can, therefore, be used in metal-in-glass high-temperature thermometers. (wikipedia.org)
Gallium is one of three elements that occur naturally as a liquid at room temperature, the other two being mercury and cesium . (americanelements.com)
Some liquid metals that appear to be non-magnetic (like mercury, gallium, and lead) contain magnetic moments that appear and disappear for extremely brief periods. (eartheclipse.com)
Aluminium can form an amalgam through a reaction with mercury. (wikipedia.org)
Aluminium amalgam may be prepared by either grinding aluminium pellets or wire in mercury, or by allowing aluminium wire or foil to react with a solution of mercuric chloride . (wikipedia.org)
The aluminium is the ultimate electron donor, and the mercury serves to mediate the electron transfer. (wikipedia.org)

Aluminum (or Aluminium) (atomic symbol: Al, atomic number: 13) is a Block P, Group 13, Period 3 element with an atomic weight of 26.9815386. (americanelements.com)
Aluminum is a silvery gray metal that possesses many desirable characteristics. (americanelements.com)

Elemental gallium is a relatively soft, silvery metal at standard temperature and pressure. (wikipedia.org)
therefore, it should not be stored in glass or metal containers because the container may rupture when the gallium changes state. (wikipedia.org)
For this reason as well as the metal contamination and freezing-expansion problems, samples of gallium metal are usually supplied in polyethylene packets within other containers. (wikipedia.org)
Its atomic number is 31 with the symbol Ga . It is a soft, silvery metal at standard temperature and pressure. (moviecultists.com)
Neptunium metal is silvery and tarnishes when exposed to air. (viking.nu)
It is a soft, silvery-white alkali metal. (periodic-table.org)
Ytterbium (Yb) is a silvery coloured metal that has the atomic number 70 in the periodic table. (purdue.edu)
Europium is a moderately hard, silvery-colored metal. (coinandbullionpages.com)
Silvery-white radioactive metal. (sciencealpha.com)
Pure aluminium is a silvery-white metal with many desirable characteristics. (webelements.com)
Scandium is a silvery-white metal which develops a slightly yellowish or pinkish cast upon exposure to air. (webelements.com)
A lustrous , silvery gray, tetravalent transition metal , hafnium chemically resembles zirconium and is found in many zirconium minerals . (wikiwand.com)
Aluminium is the most abundant metal on Earth. (nalesnikarniacynamon.pl)
Gallium Liquid Metal: The Devil's Elixir. (art-pasion.es)
Tin is a soft, white, silvery metal that is insoluble in water. (microtrace.de)
It is a hard, silvery-white metal which is named in honour of Marie and Pierre Curie. (learnool.com)
A soft, silvery metal. (rsc.org)

Gallium(III) behaves in a similar manner to ferric salts in biological systems and has been used in some medical applications, including pharmaceuticals and radiopharmaceuticals. (wikipedia.org)
Check out this fun video by Dave Hax to see how gallium behaves. (eartheclipse.com)

Elemental gallium is a liquid at temperatures greater than 29.76 °C (85.57 °F), and will melt in a person's hands at normal human body temperature of 37.0 °C (98.6 °F). Gallium is predominantly used in electronics. (wikipedia.org)

A diagonal relationship exists between the behavior of magnesium and scandium, just as there is between beryllium and aluminium. (wikimili.com)

Gallium atoms have 31 electrons and the shell structure is 2.8.18.3. (shef.ac.uk)
Aluminium atoms have 13 electrons and the shell structure is 2.8.3. (webelements.com)

Gallium is amphoteric, meaning that it reacts either as a base or an acid, depending on the situation. (eartheclipse.com)
Gallium is stable in air and water, but it reacts with and dissolves in both acids and alkalis. (eartheclipse.com)

Gallium is a chemical element with the symbol Ga and atomic number 31. (wikipedia.org)
Gallium (atomic symbol: Ga, atomic number: 31) is a Block P, Group 13, Period 4 element with an atomic weight of 69.723.The number of electrons in each of Gallium's shells is 2, 8, 18, 3 and its electron configuration is [Ar] 3d 10 4s 2 4p 1 . (americanelements.com)
4p 1 and the term symbol of gallium is 2 P 1/2 . (shef.ac.uk)
3p 1 and the term symbol of aluminium is 2 P 1/2 . (webelements.com)

In its liquid state, it becomes silvery white. (wikipedia.org)
In its elemental form, ytterbium has a silvery-white color. (americanelements.com)

Elemental gallium is not found in nature, but it is easily obtained by smelting. (wikipedia.org)

Aluminium was discovered by Hans Christian Oersted in 1825 at Denmark. (webelements.com)

Metals were dissolved in gallium at high temperatures. (nanowerk.com)
Interactions between the atomistic structures of the different metals and the liquid gallium cause differently shaped crystals to emerge, the scientists showed. (nanowerk.com)

from the Latin word " Gallia " meaning " France " and perhaps also from the Latin word " gallus ", (the cock, a translation of Lecoq, the discoveror of gallium). (shef.ac.uk)

Gallium is soft enough to be cut with a knife. (eartheclipse.com)

When CO 2 is blown through the resulting solution, the sodium silicate stays in solution while the aluminium is precipitated out as aluminium hydroxide. (webelements.com)

Gallium has two stable isotopes and both are used in nuclear medicine and physics. (shef.ac.uk)

What we are learning is that the structure of the liquid gallium is very important," says Gaston. (nanowerk.com)
However, in its liquid state, gallium can be magnetic. (eartheclipse.com)
However, scientists have recently discovered that in its liquid state, gallium can be magnetic. (eartheclipse.com)

Currently, gallium is used in semiconductor devices for microelectronics and optics . (americanelements.com)

Electrolysis is necessary as aluminium is so electropositive. (webelements.com)

aluminium would not mormally be made in the laboratory as it is so readily available commercially. (webelements.com)

The Hall-Heroult process is widely used in the extraction of aluminium. (nalesnikarniacynamon.pl)

Chemicals and Drugs20

Analytical, Diagnostic and Therapeutic Techniques and Equipment3

Phenomena and Processes1

Technology, Industry, Agriculture3

Information Science1

Health Care2

Geographicals1

Appearance5

Group 13 of the perio2

Bauxite8

Alloys8

Indium2

Nitride2

Metallic6

Germanium1

Pure gallium1

Solid gallium2

Compounds7

18752

Yttrium2

Gadolinium1

Oxide3

Tantalum2

Atom1

Light-emitti1

Melting4

Arsenide1

Mercury7

Aluminum2

Metal17

Behaves2

98.61

Scandium1

Atoms2

Reacts2

Symbol4

White2

Elemental1

18251

Metals2

Lecoq1

Soft1

Sodium1

Stable1

Liquid3

Semiconductor1

Electrolysis1

Readily1

Widely1