• Germanium - Wikipedia

    An unusual natural enrichment process causes a high content of germanium in some coal seams, discovered by Victor Moritz Goldschmidt during a broad survey for germanium deposits. The highest concentration ever found was in Hartley coal ash with as much as 1.6% germanium. The coal deposits near Xilinhaote, Inner ...

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  • Carbon group - Wikipedia

    Carbon has a density of 2.26 grams per cubic centimeter, silicon has a density of 2.33 grams per cubic centimeter, germanium has a density of 5.32 grams per cubic centimeter. Tin has a density of 7.26 grams per cubic centimeter, and lead has a density of 11.3 grams per cubic centimeter. ... A fifth allotrope of carbon, discovered in 2003, is ...

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  • Germanium: Uses, Side Effects, Interactions, Dosage, and ...

    Germanium is LIKELY UNSAFE when taken by mouth in elemental form and in the form of certain compounds such as germanium oxide and germanium lactate-citrate. There have …

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  • MENDELEEV’S PREDICTIONS FOR “EKA-SILICON”

    MENDELEEV’S PREDICTIONS FOR “EKA-SILICON” Among the predictions made by Mendeleev were the existence, and the properties, of several undiscovered elements. One of these elements was the element now called Germanium; Mendeleev called it “eka-silicon,” meaning “beyond silicon” on his table. Chemical or physical property

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  • germanium | Properties, Uses, & Facts | Britannica.com

    Germanium (Ge), a chemical element between silicon and tin in Group 14 (IVa) of the periodic table, a silvery-gray metalloid, intermediate in properties between the metals and the nonmetals.Although germanium was not discovered until 1886 by Clemens Winkler, a German chemist, its existence, properties, and position in the periodic system had been predicted in 1871 by the Russian chemist …

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  • Germanium, Chemical Element - reaction, water, uses ...

    Winkler discovered that the properties of germanium were very similar to those that Mendeleev had predicted 15 years earlier. For example, Mendeleev thought element 32 would have a density of 5.5 grams per cubic centimeter. The actual density for germanium is 5.47 grams per cubic centimeter.

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  • Germanium (Ge) Semiconductors - AZoM.com

    Germanium is non-toxic. It is a hard, lustrous, grayish-white metalloid chemically similar to its group neighbors, tin and silicon. Germanium is mainly obtained from sphalerite but is also found in lead, silver and copper ores. Clemens Winkler discovered germanium in 1886.The name Germanium finds its origin from the latin word ‘Germania'.

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  • Germanium - Chemistry LibreTexts

    Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Unlike silicon, it is too reactive to be found naturally on Earth in the free (elemental) state. Because it seldom appears in high concentration, germanium was discovered comparatively late in the history of chemistry.

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  • WebElements Periodic Table » Germanium » historical ...

    Germanium was an element whose existence was predicted by Mendeleev in 1871. He predicted that the then unknown element germanium should resemble silicon in its properties. He suggested therefore the name ekasilicon (symbol Es). His predictions for the properties of germanium …

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  • Germanium - YouTube

    Mar 01, 2019· Because it seldom appears in high concentration, germanium was discovered comparatively late in the history of chemistry #germanium. Because it seldom appears in high concentration, germanium was ...

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  • Where was the element germanium discovered - answers.com

    Germanium is an element on the Periodic Table of Elements, discovered by Germany. Its symbol is Ge, atomic number is 32, its atomic mass is 72.92 ( cf. note 1 ), it is a metalloid, and it is ...

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  • germanium

    Germanium is in the same chemical family as carbon, silicon, tin, and lead. Consequently, it resembles these elements in the process of forming organic compounds, such as tetraethyl germanium and tetraphenyl germanium. At room temperature, germanium is unreactive and it does not react with hydrochloric acid. History:

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  • Germanium - ChemistryScore

    The density of germanium is 5.32 g/cm 3. When was Germanium discovered? Germanium was first discovered in 1886. What is the electron configuration for Germanium? The electron configuration for germanium is [Ar] 3d 10 4s 2 4p 2. How many protons and neutrons does Germanium have?

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  • Germanium – Properties and Applications

    In 1886AD, Germanium was discovered by German chemist, Clemens Alexander Winkler. In 1885, a new ore was found in a mine near Freiberg, Germany. The ore contained silver and sulfur. Winkler isolated a new element from the ore and named it as germanium. The name germanium is derived from Germany, which is the native country of Winkler.

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  • Germanium Facts (Atomic Number 32 or Ge) - ThoughtCo

    Winkler's original name for germanium was Neptunium. Like germanium, the planet Neptune had recently been discovered from predictions from mathematical data. The discovery of germanium filled a spot predicted by Mendeleev's periodic table. Germanium took the place of …

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  • Germanium - Uses of Germanium & Properties of Germanium ...

    Uses Of Germanium. Germanium acts as a semiconductor, commonly doped with arsenic and other elements and used as a transistor in different electronic applications. The oxides of Germanium includes a high index of dispersion and refraction which makes it perfect to use in wide-angle camera lenses & objective lenses for microscopes.

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  • CONCENTRATION OF GERMANIUM IN THE ASH OF …

    CONCENTRATION OF GERMANIUM IN THE ASH OF AMERICAN COALS A PROGRESS REPORT By Taisia Stadnichenko, K. J. Murata, Peter Zubovic, and Elizabeth L. Hufschmidt Washington, D. C., 1953 Free on application to the Geological Survey, Washington 25, D. C.

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  • Germanium | Ge - PubChem

    Germanium is mainly a byproduct of zinc ore processing. It is a hard, grayish-white element; it has a metallic luster and the same crystal structure as diamond; and it is brittle, like glass.In addition, it is important to note that germanium is a semiconductor, with electrical properties between those of a metal and an insulator. The development of the germanium transistor opened the door to ...

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  • Germanium : Wikis (The Full Wiki)

    Because few minerals contain it in large concentration, germanium was discovered comparatively late despite the fact that it is relatively abundant in the Earth's crust. In 1869, Dmitri Mendeleev predicted its existence and some of its properties based on its position on …

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  • Hall Coefficient of Germanium - Wooster Physics Snapshot

    S. Chandramouli: Hall Coefficient of Germanium 2 completely random, the current density, j is: j = − env d …3 where e is the charge of an electron, and n is the number of electrons per unit volume. The drift velocity used in equation 1 is not a very convenient parameter. Using equations 2 and 3, we can derive a convenient expression for the

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  • Periodic Table Of The Elements Germanium | Encyclopedia.com

    density: 5.323 g/cm 3 most common ion: Ge 4+ Ge 2+ Germanium has chemical and physical properties similar to those of silicon. It was predicted as an element ("eka-silicon") by Dimitri Mendeleev in 1871 from calculations made during the construction of his periodic table, and it was discovered …

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  • Germanium - Periodic Table of Elements and Chemistry

    From wikipedia: Germanium was discovered comparatively late because very few minerals contain it in high concentration. Germanium ranks near fiftieth in relative abundance of the elements in the ...

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  • Germanium (Ge) – RWMM

    Discovered by Clemens Winkler in 1886 and named for his homeland of Germany, Germanium is a silvery metallic element with the same crystalline structure as diamonds when formed under standard conditions. In this form it is very hard and brittle and can break like a piece of glass if …

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  • smart-elements® - Buy Germanium online

    Discovered in 1886 by C.A. Winkler at Freiberg, Germany. Germanium is a silvery white brittle metalloid member of the carbon group of elements, its physical properties being similar to those of silicon, the element which precedes it in the group.

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  • Germanium - businessadvisorynetwork.com

    Apr 25, 2018· Pure germanium is a semiconductor with an appearance similar to elemental silicon. Like silicon, germanium naturally reacts and forms complexes with oxygen in nature. Because it seldom appears in high concentration, germanium was discovered comparatively late in …

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  • Germanium | History, Uses, Facts, Physical & Chemical ...

    Germanium was discovered in 1886. Germanium belongs to the carbon family and used in electronic devices as semiconductors. History and Discovery. Dmitri Mendeleev predicted the existence of germanium in 1869. He named it eka-silicon and proposed some of the physical characteristics of the then unknown metal.

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  • GERMANIUM AND OTHER TRACE ELEMENTS IN SOME …

    studies Goldschmidt discovered an unexpectedly high concentration of germanium and other trace elements in the ash of some European coal samples. Later work has shown that Goldschmidt's findings were not unique, and that coals from many parts of the world contain similar concentration of trace elements. A comprehensive bibliography of pre-

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  • Facts About Germanium - Live Science

    It is a relatively rare element and is found in only a few minerals on Earth. Even in these minerals the concentration of germanium is quite low. It is for this reason that it was discovered relatively late compared with other similar elements. Let’s find out who discovered this rare element. Who discovered germanium?

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  • Germanium (Ge) - Chemical properties, Health and ...

    Germanium. Pure germanium is a hard, lustrous, gray-white, brittle metalloid. It has a diamondlike crystalline structure and it is similar in chemical and physical properties to silicon.Germanium is stable in air and water, and is unaffected by alkalis and acids, except nitric acid.

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  • It's Elemental - The Element Germanium

    Germanium is pronounced as jer-MAY-ni-em. History and Uses: First proposed to exist by Dmitri Mendeleyev in 1871 based on gaps in his newly created Periodic Table of Elements, germanium was discovered by the German chemist Clemens Winkler in the mineral argyrodite (Ag 8 GeS 6) in 1886.

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