What is chemical name of germanium?
Germanium
| PubChem CID | 6326954 |
|---|---|
| Chemical Safety | Laboratory Chemical Safety Summary (LCSS) Datasheet |
| Molecular Formula | Ge |
| Synonyms | 7440-56-4 Ge Germanium germanium(2+) Germanium, metal powder More… |
| Molecular Weight | 72.63 |
What name did Mendeleev use for germanium?
For example, germanium was called eka-silicon until its discovery in 1886, and rhenium was called dvi-manganese before its discovery in 1926. The eka- prefix was used by other theorists, and not only in Mendeleev’s own predictions.
How was germanium discovered?
Germanium was one of the elements whose existence was predicted in 1869 by Russian chemist Dmitri Mendeleev, after he noticed a gap between silicon and tin in his periodic table. Germanium was discovered by Clemens A. Winkler in 1886, in Germany, in a mineral sample from a silver mine.
What was germanium used for?
The largest use of germanium is in the semiconductor industry. When doped with small amounts of arsenic, gallium, indium, antimony or phosphorus, germanium is used to make transistors for use in electronic devices. Germanium is also used to create alloys and as a phosphor in fluorescent lamps.
How do humans use germanium?
In addition to its applications in electronic devices, germanium is used as a component of alloys and in phosphors for fluorescent lamps. Because germanium is transparent to infrared radiation, it is employed in equipment used for detecting and measuring such radiation, such as windows and lenses.
Do germanium bracelets work?
Studies have found that Power Balance bracelets have no effect on power, strength, athletic acuity, or balance. This is also true of the bracelets that have negative ions. Negative ions occur naturally in nature. However, research has shown that the negative ions in Power Balance bracelets have no positive effect.
Is germanium found in its pure form?
In its pure form, the element is too reactive to occur naturally and is often found in compound state or in minerals. 4. Germanium is quite rare and found in the Earth at about 1.6 parts per million. The highest concentration has been found in coal seams.
Does germanium sink in water?
Germanium is stable in air and water, and is unaffected by alkalis and acids, except nitric acid. Germanium is an important semiconductor, mainly used in transistors and integrated circuits.
What is similar to germanium?
Metalloid
Does germanium react with oxygen?
Reaction of germanium with air The surface of lumps of germanium is protected by a very thin layer of germanium dioxide, GeO2. At red heat, germanium reacts with oxygen in air to from germanium dioxide.