What elements does germanium bond with?
Germanium react with O2, forming germanium dioxide, GeO2. At room temperature, the germanium surface is passivated by the GeO2 layer. When heated to red heat, germanium reacts with oxygen in the air, forming germanium dioxide.
What does germanium mean?
Definition of germanium : a grayish-white hard brittle metalloid element that resembles silicon and is used especially in optical and semiconductor materials and as a catalyst — see Chemical Elements Table.
What is the germanium family?
Germanium, categorized as a metalloid in group 14, the Carbon family, has five naturally occurring isotopes. Germanium, abundant in the Earth’s crust has been said to improve the immune system of cancer patients. It is also used in transistors, but its most important use is in fiber-optic systems and infrared optics.
How is germanium used in everyday life?
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.
Why is germanium used?
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.
What is the symbol of darmstadtium?
Darmstadtium is a chemical element with symbol Ds and atomic number 110.
What do you use germanium for?
Is Ge highly reactive?
Germanium is widely distributed in nature but is too reactive to occur free. Among the acids, only concentrated nitric or sulfuric acid or aqua regia (a mixture of nitric and hydrochloric acids) attack germanium appreciably.
What type of solid is Ge?
Thus Ge is probably a covalent solid. RbI contains a metal from group 1 and a nonmetal from group 17, so it is an ionic solid containing Rb+ and I− ions.
What family is fluorine in?
The halogen elements are the six elements in Group 17 of the periodic table. Group 17 occupies the second column from the right in the periodic table and contains fluorine (F), chlorine (Cl), bromine (Br), iodine (I), astatine (At), and tennessine (Ts).
What are 3 common uses of germanium?
What is germanium?
Germanium is a chemical element with symbol Ge and atomic number 32. It is a lustrous, hard, grayish-white metalloid in the carbon group, chemically similar to its group neighbors tin and silicon.
Does germanium expand as it solidifies?
At pressures above 120 kbar, germanium becomes the allotrope β-germanium with the same structure as β- tin. Like silicon, gallium, bismuth, antimony, and water, germanium is one of the few substances that expands as it solidifies (i.e. freezes) from the molten state.
Why is germanium a good semiconductor?
It was only with the development of electronics that germanium’s value as a very effective semiconductor came to light. A semiconductor is a material with conductivity between a conductor and an insulator, whose conductivity can be altered by an outside influence like an electric field or the impact of light.
How many germanium slogans are there?
Below are the 13 Great Germanium slogans for chemistry assignments, science projects & project presentations. They can also be used for Germanium advertisement and marketing. Also good for familiarization with Germanium.