A trivalent impurity has ….. valence electrons

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Answer :

A trivalent impurity has 3 valence electrons.

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Related questions

A pentavalent impurity has ………. Valence electrons

Last Answer : A pentavalent impurity has 5 Valence electrons.

Addition of trivalent impurity to a semiconductor creates many ……..

Last Answer : Addition of trivalent impurity to a semiconductor creates many Holes.

Addition of trivalent impurity to a semiconductor creates many (A) holes. (B) free electrons. (C) valance electrons. (D) bound electrons.

Description : Addition of trivalent impurity to a semiconductor creates many (A) holes. (B) free electrons. (C) valance electrons. (D) bound electrons.

Last Answer : (B) free electrons.

A semiconductor formed by addition of trivalent impurity is : a) P–Type b) N–Type c) Q–type d) M–Type

Description : A semiconductor formed by addition of trivalent impurity is : a) P–Type b) N–Type c) Q–type d) M–Type

Last Answer : d) M–Type

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.

In n type semi conductor added impurity is (A) pentavalent. (B) divalent. (C) tetravalent. (D) trivalent.

Description : In n type semi conductor added impurity is (A) pentavalent. (B) divalent. (C) tetravalent. (D) trivalent.

Last Answer : (A) pentavalent.

Impurity atoms to be added to pure silicon in order to make a p-type semiconductor belongs to

Description : Impurity atoms to be added to pure silicon in order to make a p-type semiconductor belongs to (a) Phosphorous (b) Boron (c) Antimony (d) Aluminium 

Last Answer : Boron  , a  group  three  element.

Which of the following serves as donor impurity in Silicon?

Description : Which of the following serves as donor impurity in Silicon?  (A) Boron (B) Indium (C) Germanium (D) Antimony 

Last Answer : Which of the following will serve as a donor impurity in silicon?   (A) Boron (B) Indium (C) Germanium (D) Antimony

The impurity level in an extrinsic semiconductor is about ….. of pure semiconductor.

Last Answer : The impurity level in an extrinsic semiconductor is about 1 atom for 108 atoms of pure semiconductor.

Addition of pentavalent impurity to a semiconductor creates many ……..

Last Answer : Addition of pentavalent impurity to a semiconductor creates many Free electrons.

When a pentavalent impurity is added to a pure semiconductor, it becomes ………

Last Answer : When a pentavalent impurity is added to a pure semiconductor, it becomes n-type semiconductor.

In an intrinsic semiconductor, the number of free electrons ………

Last Answer :  In an intrinsic semiconductor, the number of free electrons Equals the number of holes.

The random motion of holes and free electrons due to thermal agitation is called ……….

Last Answer : The random motion of holes and free electrons due to thermal agitation is called Diffusion.

Difference between Valency and Valence electrons ? -Chemistry

Description : Difference between Valency and Valence electrons ? -Chemistry

Last Answer : 1 ) Valency : The ability to gain, loose and sharing of electrons is valency / combinig capacity atoms of other elements is valency. 2 ) Valence elctrons : Electrons present in the outermost shell of the atom is valence electrons.

Five valence electrons of `.^(15)P` re labelled as If the spin quantum numbers of B and Z is `+(1)/(2)`, the group of electron with three of the quant

Description : Five valence electrons of `.^(15)P` re labelled as If the spin quantum numbers of B and Z is `+(1)/(2)`, the group of electron with three of the quant

Last Answer : Five valence electrons of `.^(15)P` re labelled as If the spin quantum numbers of B and Z is `+(1)/(2)`, ... A. AB,XYZ,BY B. AB C. XYZ,AZ D. AB,XYZ

s-1: `[MnCl_(6)]^(3),[FeF_(6)]^(3-)` and `[CoF_(6)]^(-3)` are paramagnetic having four, five and four unpaired electrons respectively. S-2: Valence bo

Description : s-1: `[MnCl_(6)]^(3),[FeF_(6)]^(3-)` and `[CoF_(6)]^(-3)` are paramagnetic having four, five and four unpaired electrons respectively. S-2: Valence bo

Last Answer : s-1: `[MnCl_(6)]^(3),[FeF_(6)]^(3-)` and `[CoF_(6)]^(-3)` are paramagnetic having four, five and ... onn the metal ion. A. TTT B. TFT C. FTF D. TFF

The rays are given off by a radioactive element from A)Nucleus B)Valence electrons C)All the orbits D)Outer orbit

Description : The rays are given off by a radioactive element from A)Nucleus B)Valence electrons C)All the orbits D)Outer orbit

Last Answer : The rays are given off by a radioactive element from A)Nucleus B)Valence electrons C)All the orbits ... electrons C. all the orbits D. outer orbit

The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is:

Description : The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is:

Last Answer : The number of electrons, present in the valence shell of carbon of carbanion bearing `-ve` charge, is: A. 8 B. 7 C. 6 D. 4

The number of electrons present in the valence shell of carbon of `CH_(3)overset(+)(C)H_(2)` ion bearing `+ve` charge:

Description : The number of electrons present in the valence shell of carbon of `CH_(3)overset(+)(C)H_(2)` ion bearing `+ve` charge:

Last Answer : The number of electrons present in the valence shell of carbon of `CH_(3)overset(+)(C)H_(2)` ion bearing `+ve` charge: A. 8 B. 7 C. 6 D. 4

What are the valence electrons? For s-block and p-block elements show that number of valence electrons is equal to its group number.

Description : What are the valence electrons? For s-block and p-block elements show that number of valence electrons is equal to its group number.

Last Answer : What are the valence electrons? For s-block and p-block elements show that number of valence electrons is equal to its group number.

What is total valence electrons in NH4?

Description : What is total valence electrons in NH4?

Last Answer : Need answer

How many valence electrons are in each energy level?

Description : How many valence electrons are in each energy level?

Last Answer : Need answer

How many valence electrons does magnesium (Mg) have?

Description : How many valence electrons does magnesium (Mg) have?

Last Answer : Need answer

How many electrons are in the valence shell of I in IF4-?

Description : How many electrons are in the valence shell of I in IF4-?

Last Answer : Need answer

How many shells and valence electrons does krypton have?

Description : How many shells and valence electrons does krypton have?

Last Answer : Need answer

What is the number of valence of electrons of strontium?

Description : What is the number of valence of electrons of strontium?

Last Answer : 2

How many number of valence electrons are there in a sulphide ion?

Description : How many number of valence electrons are there in a sulphide ion?

Last Answer : The sulfide ion is S^2-, so it has 2 additional valenceelectrons compared to neutral sulfur. Neutral sulfur has 6 valenceelectrons, so sulfide ion would have 8 valence electrons.

How do you figure out how many valence electrons an atom has based on its location on the periodic table?

Description : How do you figure out how many valence electrons an atom has based on its location on the periodic table?

Last Answer : For groups 1-2 the number of valence electrons is equal to the number of the group.For groups 13-18 the number of valence electrons is equal to the number of the group, but with numbering starting up from 3 (13), 4 (14) , etc. (transition metals excluded).

Where can you find the valence electrons in an atom?

Description : Where can you find the valence electrons in an atom?

Last Answer : Valence electrons are placed in the outermost shell of electrons.

What have a full energy level of valence electrons?

Description : What have a full energy level of valence electrons?

Last Answer : The noble gases (group 18/VIIIA/0) are naturally occurring elements that have a full valence shell with eight valence electrons (an octet), except for helium which has two valence electrons (a duet). This makes these elements very stable and very nonreactive.

How many valence electrons are in the element fluorine and do the same for chlorine and bromine?

Description : How many valence electrons are in the element fluorine and do the same for chlorine and bromine?

Last Answer : The number of valence electrons is seven.

In terms of valence electrons what is the different between metallic elements and nonmetallic elements?

Description : In terms of valence electrons what is the different between metallic elements and nonmetallic elements?

Last Answer : Feel Free to Answer

How many additional valence electrons does fluorine need to have full valence?

Description : How many additional valence electrons does fluorine need to have full valence?

Last Answer : 7

How many valence electrons does I and Ga have?

Description : How many valence electrons does I and Ga have?

Last Answer : Feel Free to Answer

What element has the same valence electrons as indium?

Description : What element has the same valence electrons as indium?

Last Answer : No other element in its ground state has the same valence electron configuration as indium.Other elements in group 13 have similar ns2np1 outer shell configurations:-Boron B, [He] 2s2 2p1Aluminium, Al, [Ne] 3s2 ... [Ar] 3d10, 4s2 4p1Indium In [Kr] 4d10 5s2 5p1Thallium Tl [Xe] 4f14, 5d10, 6s2 6p1

In molecule of calcium sulfide calcium has two valence electron bonds and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium?

Description : In molecule of calcium sulfide calcium has two valence electron bonds and a sulfur atom has six valence electrons. How many lone pairs of electrons are present in the Lewis structure of calcium?

Last Answer : What is the answer ?

What is the number of valence electrons for Sn?

Description : What is the number of valence electrons for Sn?

Last Answer : Tin has four valence electrons.

What is the number of valence electrons for Ga?

Description : What is the number of valence electrons for Ga?

Last Answer : Gallium has three valence electrons.

Do elements in the same family have the same number of valence electrons?

Description : Do elements in the same family have the same number of valence electrons?

Last Answer : Yes, this is a general rule.

What is the importance about carbon having 4 valence electrons?

Description : What is the importance about carbon having 4 valence electrons?

Last Answer : Carbon forms a huge number of compounds.

What element has the same valence electrons as indium?

Description : What element has the same valence electrons as indium?

Last Answer : No other element in its ground state has the same valence electron configuration as indium.Other elements in group 13 have similar ns2np1 outer shell configurations:-Boron B, [He] 2s2 2p1Aluminium, Al, [Ne] 3s2 ... [Ar] 3d10, 4s2 4p1Indium In [Kr] 4d10 5s2 5p1Thallium Tl [Xe] 4f14, 5d10, 6s2 6p1

How many additional valence electrons does fluorine need to have full valence?

Description : How many additional valence electrons does fluorine need to have full valence?

Last Answer : 7

How does energy of core electrons compare with the energy of valence electron?

Description : How does energy of core electrons compare with the energy of valence electron?

Last Answer : The energy is higher.

How many valence electrons do conductors such as copper have?

Description : How many valence electrons do conductors such as copper have?

Last Answer : Good conductors have one to three valence electrons. Copperitself has one valence electron.

Valence electrons are the electrons found on the last shell of an atom true or fase?

Description : Valence electrons are the electrons found on the last shell of an atom true or fase?

Last Answer : TRUE

atoms with low ionization energy give up their outer valence electrons with ease?

Description : atoms with low ionization energy give up their outer valence electrons with ease?

Last Answer : trueapex

Which electron has seven valence electrons?

Description : Which electron has seven valence electrons?

Last Answer : Any element in the halogen group will have seven valence electrons. These elements include fluorine, chlorine, bromine, iodine, and astatine.

Elements, like calcium, located toward the top of a group have a high attraction for their valence electrons because they have a _?

Description : Elements, like calcium, located toward the top of a group have a high attraction for their valence electrons because they have a _?

Last Answer : small atomic radius.

Which electron has seven valence electrons?

Description : Which electron has seven valence electrons?

Last Answer : Any element in the halogen group will have seven valence electrons. These elements include fluorine, chlorine, bromine, iodine, and astatine.