Why cannot thousands of compounds of Boron or silicon or germanium not possible?

Why cannot thousands of compounds of Boron or silicon or germanium not

possible?
by

1 Answer

Answer :

Even though B-B, Si-Si, Ge-Ge bonds exits, these compounds are unstable and very

reactive and do not last long.
by

Related questions

Metalloids (A) Are good conductor of heat & electricity (B) Act as electron donors with metals & as electron acceptor with non metals (C) Are not necessarily solids at room temperature (D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Description : Metalloids (A) Are good conductor of heat & electricity (B) Act as electron donors with metals & as electron acceptor with non metals (C) Are not necessarily solids at room temperature ... & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Last Answer : D) Are compounds that exhibit both metallic & non-metallic properties to some extent and are exemplified by elements like germanium, silicon & boron

Give reason: Silicon is used widely even through Germanium is a better semiconductor material.

Description : Give reason: Silicon is used widely even through Germanium is a better semiconductor material.

Last Answer : Silicon is the second most abundantly available material and it can be used at higher temperature. Hence it widely used than Germanium.

Why is silicon and germanium used in semiconductors.pdf?

Description : Why is silicon and germanium used in semiconductors.pdf?

Last Answer : Feel Free to Answer

Tunnel diode is a: a) Power diode b) Has light doping c) Has heavy doping d) Is a reverse recovery diode Ans: C 76.LEDs are fabricated from: a) Silicon b) Germanium c) Si or Ge d) Gallium arsenide

Description : Tunnel diode is a: a) Power diode b) Has light doping c) Has heavy doping d) Is a reverse recovery diode Ans: C 76.LEDs are fabricated from: a) Silicon b) Germanium c) Si or Ge d) Gallium arsenide

Last Answer : Ans: D

Name two elements that find wide application in transistor industry – (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Description : Name two elements that find wide application in transistor industry – (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Last Answer : (1) Silicon and Germanium Explanation: A transistor is a semiconductor device used to amplify and switch electronic signals and electrical power. Semiconductor material (date first used): the metalloids ... -germanium (1989), the allotrope of carbon graphene (research ongoing since 2004), etc.

Which one of the following is an ohmic conductor? (1) Germanium (2) Silicon (3) Carbon (4) Silver

Description : Which one of the following is an ohmic conductor? (1) Germanium (2) Silicon (3) Carbon (4) Silver

Last Answer : (4) Silver Explanation: Ohmic conductors are conductors that obey Ohm's law, that is Voltage/Current ratio is constant; in other words, the equation Resistance = Voltage/Current is obeyed. ... s resistance does not change with varying current. Metallic conductors such as silver are Ohmic conductors.

Which of the listed pairs of materials make the best insulators? A. dry air and a vacuum B. tin and lead C. doped silicon and germanium D. paper and oil

Description : Which of the listed pairs of materials make the best insulators? A. dry air and a vacuum B. tin and lead C. doped silicon and germanium D. paper and oil

Last Answer : Answer: D

Which of the listed pairs of materials make the best insulators? A. copper and aluminum B. glass and mica C. dry air and a vacuum D. doped silicon and germanium

Description : Which of the listed pairs of materials make the best insulators? A. copper and aluminum B. glass and mica C. dry air and a vacuum D. doped silicon and germanium

Last Answer : Answer: B

What kind of battery panels are used in some advance satellites? A. Gallium Arsenide solar panel B. Germanium based panels C. Silicon based panels D. Gallium Phosphate solar panel

Description : What kind of battery panels are used in some advance satellites? A. Gallium Arsenide solar panel B. Germanium based panels C. Silicon based panels D. Gallium Phosphate solar panel

Last Answer : A. Gallium Arsenide solar panel

why silicon type transistor are more often used than germanium?

Description : why silicon type transistor are more often used than germanium?

Last Answer : because silicon has smaller cutoff current Icbo, small variations in Icbo due to variation in temperature as compared to those in case of germanium.

Which of the following is not an example of elemental solid dielectric? a) Diamond b) Sulphur c) Silicon d) Germanium

Description : Which of the following is not an example of elemental solid dielectric? a) Diamond b) Sulphur c) Silicon d) Germanium

Last Answer : c) Silicon

When a sample of germanium and silicon having same impurity density are kept at room temperature then Resistivity of silicon will be higher than that of germanium, Why?

Description : When a sample of germanium and silicon having same impurity density are kept at room temperature then Resistivity of silicon will be higher than that of germanium, Why?

Last Answer : Ans-The answer is simple. Consider the PN diode for Ge 0.3eV is the breakdown voltage and in the case of Si its 0.7eV since the impurities are added in the same amount the bond due to the other atoms of the Si makes it resistive compared to the Ge.. thats all!

Semiconductor germanium and silicon are (a) Pentavalent (b) trivalent (c) divalent (d) tetravalent

Description : Semiconductor germanium and silicon are (a) Pentavalent (b) trivalent (c) divalent (d) tetravalent

Last Answer : (d) tetravalent

Pure semiconductors silicon and germanium are a) Extrinsic b) Intrinsic c) Insulator d) Diodes

Description : Pure semiconductors silicon and germanium are a) Extrinsic b) Intrinsic c) Insulator d) Diodes

Last Answer : b) Intrinsic

Mendeleev proposed the existence of an unknown element that he called eka-aluminum. The element is now called: w) magnesium x) silicon y) gallium z) germanium

Description : Mendeleev proposed the existence of an unknown element that he called eka-aluminum. The element is now called: w) magnesium x) silicon y) gallium z) germanium

Last Answer : ANSWER: C -- GALLIUM

Name two elements that find wide application in transistor industry (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Description : Name two elements that find wide application in transistor industry (1) Silicon and Germanium (2) Carbon and Platinum (3) Iridium and Germanium (4) Tungsten and Platinum

Last Answer : Silicon and Germanium

Which one of the following is an ohmic conductor? (1) Germanium (2) Silicon (3) Carbon (4) Silver

Description : Which one of the following is an ohmic conductor? (1) Germanium (2) Silicon (3) Carbon (4) Silver

Last Answer : Silver

‘Germanium diode knee voltage is lower than silicon diode knee voltage.' Justify.

Description :  ‘Germanium diode knee voltage is lower than silicon diode knee voltage.' Justify.

Last Answer : Justification: The band gap between conduction and valence band for Germanium (0.66eV) is less as compared to Silicon (1.11eV).Hence less energy is required to start conduction in Germanium diode. 

The Maximum spectral response of the germanium and silicon is in the

Description : The Maximum spectral response of the germanium and silicon is in the   (A) infrared region (B) ultraviolet region (C) visible region (D) x-ray region

Last Answer : The Maximum spectral response of the germanium and silicon is in the ultraviolet region

Which of the following elements are used as dopants in silicon or germanium semiconductors?

Description : Which of the following elements are used as dopants in silicon or germanium semiconductors? A) Antimony B) Phosphorus C) Arsenic D) All the above

Last Answer : Which of the following elements are used as dopants in silicon or germanium semiconductors? A) Antimony B) Phosphorus C) Arsenic D) All the above

Both rubies and sapphires contain (a) silicon dioxide (b) lead tetroxide (c) aluminium oxide (d) boron nitride

Description : Both rubies and sapphires contain (a) silicon dioxide (b) lead tetroxide (c) aluminium oxide (d) boron nitride

Last Answer : Ans:(c)

The elements known as primary nutrients for plants (1) Nitrogen, Phosphorus and Potassium (2) Nitrogen, Oxygen and Silicon (3) Potassium, Boron and Nitrogen (4) Nitrogen, Phosphorus and Iron

Description : The elements known as primary nutrients for plants (1) Nitrogen, Phosphorus and Potassium (2) Nitrogen, Oxygen and Silicon (3) Potassium, Boron and Nitrogen (4) Nitrogen, Phosphorus and Iron

Last Answer : (1) Nitrogen, Phosphorus and Potassium Explanation: Nitrogen (N), Phosphorus (P) and Potassium (K) are considered as the three essential or primary nutrients for plants. Together they make up ... need small quantities of iron, manganese, zinc, copper, boron and molybdenum, known as trace elements

The main constituent of carborundum is __________ carbide. (A) Calcium (B) Silicon (C) Boron (D) Aluminium

Description : The main constituent of carborundum is __________ carbide. (A) Calcium (B) Silicon (C) Boron (D) Aluminium

Last Answer : (B) Silicon

Carborundum consists mainly of (A) Bauxite (B) Silicon carbide (C) Boron carbide (D) Calcium carbide

Description : Carborundum consists mainly of (A) Bauxite (B) Silicon carbide (C) Boron carbide (D) Calcium carbide

Last Answer : (B) Silicon carbide

_________ is the hardest material out of the following. (A) Boron carbide (B) Tungsten carbide (C) Hardened steel (D) Silicon carbide

Description : _________ is the hardest material out of the following. (A) Boron carbide (B) Tungsten carbide (C) Hardened steel (D) Silicon carbide

Last Answer : (A) Boron carbide

hich of the following is the most suitable abrasive for grinding high tensile strength materials? (A) Silicon carbide (B) Corundum (C) Aluminium oxide (D) Boron carbide

Description : hich of the following is the most suitable abrasive for grinding high tensile strength materials? (A) Silicon carbide (B) Corundum (C) Aluminium oxide (D) Boron carbide

Last Answer : Option C

Silicon crystal can be converted to p-type semi-conductor by doping with (A) Phosphorous (B) Nitrogen (C) Carbon (D) Boron

Description : Silicon crystal can be converted to p-type semi-conductor by doping with (A) Phosphorous (B) Nitrogen (C) Carbon (D) Boron

Last Answer : Option D

Which of the following groups of elements have an OUTER ELECTRONIC configuration of S-2-P-2? w) halogens x) Nitrogen-Phosphorus Group y) Carbon-Silicon Group z) Boron-Aluminum Group

Description : Which of the following groups of elements have an OUTER ELECTRONIC configuration of S-2-P-2? w) halogens x) Nitrogen-Phosphorus Group y) Carbon-Silicon Group z) Boron-Aluminum Group

Last Answer : ANSWER: Y -- CARBON-SILICON GROUP

Which of the following is not a covalent network solid? w) silicon dioxide x) silicon oxide y) boron nitrate z) sodium oxide

Description : Which of the following is not a covalent network solid? w) silicon dioxide x) silicon oxide y) boron nitrate z) sodium oxide

Last Answer : ANSWER: D -- SODIUM OXIDE

The elements known as primary nutrients for plants (1) Nitrogen, Phosphorus and Potassium (2) Nitrogen, Oxygen and Silicon (3) Potassium, Boron and Nitrogen (4) Nitrogen, Phosphorus and Iron

Description : The elements known as primary nutrients for plants (1) Nitrogen, Phosphorus and Potassium (2) Nitrogen, Oxygen and Silicon (3) Potassium, Boron and Nitrogen (4) Nitrogen, Phosphorus and Iron

Last Answer : Nitrogen, Phosphorus and Potassium

Why boron compounds behave as Lewis acids?

Description : Why boron compounds behave as Lewis acids?

Last Answer : What is the answer ?

Give reason why boron and aluminum tend of form covalent compounds.

Description : Give reason why boron and aluminum tend of form covalent compounds.

Last Answer : Ans. Sum of the three ionization enthalpies of both the elements are very high. Thus they have no tendency to lose electrons to form ionic compound. Instead they form covalent compounds.

why does boron form stable electron deficient compounds?

Description : why does boron form stable electron deficient compounds?

Last Answer : Ansboron has three electrons in its valance shell that boron show three electrons with other element and form an electron deficient compound

I'm usually round I'm as light as a feather but thousands of men cannot carry me What am i? -Riddles

Description : I'm usually round I'm as light as a feather but thousands of men cannot carry me What am i? -Riddles

Last Answer : bubbles!

Give reason: Silicon compounds have water repelling property.

Description : Give reason: Silicon compounds have water repelling property.

Last Answer : Due to the absence of porosity in the polymer of silicon. The structure is so compact that water cannot enter.

Mention some uses of silicon compounds.

Description : Mention some uses of silicon compounds.

Last Answer : a) Quartz is used in modern clocks. b) Zircon, topaz are used to make ornamental objects. c) Sand is used in buildings to make concrete mix. d) Sand is used in preparation of glass. ... hardness of water and in chromatography. g) Silicon is used as raw material in the production of silicones.

In which form is Silicon most frequently found in nature? w) The free element Silicon x) Silicon-Oxygen compounds y) Silicon-Carbon compounds z) Silicon-Metal compounds

Description : In which form is Silicon most frequently found in nature? w) The free element Silicon x) Silicon-Oxygen compounds y) Silicon-Carbon compounds z) Silicon-Metal compounds

Last Answer : ANSWER: X -- SILICON-OXYGEN COMPOUNDS

What is the type of bond by germanium and arsenic?

Description : What is the type of bond by germanium and arsenic?

Last Answer : Feel Free to Answer

How many neutrons in a single atom of germanium -74?

Description : How many neutrons in a single atom of germanium -74?

Last Answer : Need answer

When Arsenic atoms are added Germanium lattice, it becomes a/an - (1) Insulator (2) Superconductor (3) Intrinsic semiconductor (4) Extrinsic semiconductor

Description : When Arsenic atoms are added Germanium lattice, it becomes a/an - (1) Insulator (2) Superconductor (3) Intrinsic semiconductor (4) Extrinsic semiconductor

Last Answer : (4) Extrinsic semiconductor Explanation: When a peritavalent (donor) impurity, like arsenic, is added to germanium, it will form covalent bonds with thegermanium atoms, leaving 1 electron relatively ... this manner - either with Nor P-type impurities - are referred to as EXTRINSIC semiconductors.

An example of semiconductor is - (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic

Description : An example of semiconductor is - (1) German silver (2) Germanium (3) Phosphorous (4) Arsenic

Last Answer : (2) Germanium Explanation: Purified germanium is a semiconductor, with appearance most similar to elemental silicon. 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 (native) state.

Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic Table? (1) Scandium (2) Gallium (3) Titanium (4) Germanium

Description : Which of the following elements replaced eka-Aluminium in Mendeleev's Periodic Table? (1) Scandium (2) Gallium (3) Titanium (4) Germanium

Last Answer : (2) Gallium

Which of the following is an insulator? (1) Mercury (2) Carbon (3) Germanium (4) Glass

Description : Which of the following is an insulator? (1) Mercury (2) Carbon (3) Germanium (4) Glass

Last Answer : (4) Glass Explanation: Insulators are materials that do not allow the transfer or that slow the transfer of heat or electricity. Some of the examples of insulators are: glass, plastic, rubber, porcelain, wood, ceramic, dry air, etc.

The illustrated circuit is a _____________. EL-0024 A. megohm meter B. Gauss meter C. wheatstone bridge D. germanium diode tester

Description : The illustrated circuit is a _____________. EL-0024 A. megohm meter B. Gauss meter C. wheatstone bridge D. germanium diode tester

Last Answer : Answer: C

High vacuum diodes, gas-filled diodes, and germanium semiconductor diodes may all be used as _____________. A. potentiometers B. rectifiers C. power sources D. photocells

Description : High vacuum diodes, gas-filled diodes, and germanium semiconductor diodes may all be used as _____________. A. potentiometers B. rectifiers C. power sources D. photocells

Last Answer : Answer: B

What is the name given to a doped germanium crystal with an excess of free holes?

Description : What is the name given to a doped germanium crystal with an excess of free holes?

Last Answer : P-type crystal.

Germanium diodes are used in AM detectors because ___

Description : Germanium diodes are used in AM detectors because ___

Last Answer : they minimize distortion from nonlinearit

The potential barrier for germanium is _______ (a) 0.6 V (b) 0.2 V (c) 0.3 V (d) 0.5 V

Description : The potential barrier for germanium is _______ (a) 0.6 V (b) 0.2 V (c) 0.3 V (d) 0.5 V

Last Answer : (c) 0.3 V

Germanium is an example of ____________. a) metal b)metalloid c)non-metal d)none

Description : Germanium is an example of ____________. a) metal b)metalloid c)non-metal d)none

Last Answer : b)metalloid

In order to obtain p-type germanium it should be doped with a (A) Trivalent impurity. (B) Tetravalent impurity. (C) Pentavalent impurity. (D) Any of the above will do.

Description : In order to obtain p-type germanium it should be doped with a (A) Trivalent impurity. (B) Tetravalent impurity. (C) Pentavalent impurity. (D) Any of the above will do.

Last Answer : (A) Trivalent impurity.