What term is given to the process of rearranging electrons in a semiconductor by addingatoms of other elements?

What term is given to the process of rearranging electrons in a semiconductor by addingatoms of other elements?
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Pick out the wrong statement. (A) Copper is the metal having the highest electronic conductivity (B) Hardenability & Weldability of metals are inversely related (C) Covalent bonding formed by sharing of electrons is present in all semiconductor materials (D) Glass transition temperature applies to 'polymers' but not to 'glasses'

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Last Answer : Option A

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Description : What happens to the electrons of a gallium-arsenide semiconductor when they move from the normal low-energy conduction band to the high-energy conduction band?

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

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Description : In p-type semiconductor the majority carriers are (A) holes. (B) electrons. (C) positive ions. (D) negative ions.

Last Answer : (A) holes.

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Last Answer : ANSWER: Z -- HOLES

Intrinsic semiconductor material is characterized by a valence shell of how many electrons?

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Last Answer : Intrinsic semiconductor material is characterized by a valence shell of 4 electrons.

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.

What are the number of valence electrons of atoms in semiconductor?

Description : What are the number of valence electrons of atoms in semiconductor?

Last Answer : There are four valence electrons in the atom of a semiconductor.

Define the term-Dopant, Extrinsic semiconductor.

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Explain the silicon semiconductor fabrication process.

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In the given types of polarisation, which type exists in the semiconductor? a) Electronic b) Ionic c) Orientational d) Interfacial or space charge

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Last Answer : d) Interfacial or space charge

To increase mobility of electron in a given piece of semiconductor

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Last Answer : To increase mobility of electron in a given piece of semiconductor Small increase in temperature above room temperature value

a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science

Description : a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science

Last Answer : (a) The repetition of same properties after definite interval is called periodicity in properties. (b) It is because they have same valence electrons therefore, have similar properties. (c) ... to right in a period because atomic size goes on decreasing and effective nuclear charge increases.

Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity of all elements is negative

Description : Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity of all elements is negative

Last Answer : Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity ... D. If both Assertion & Reason are false

The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Description : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Last Answer : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with ... )d` and linear D. `sp` and linear

The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Description : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Last Answer : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly ... D. `sp^(3)d^(2)` & 2

The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Description : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly electronegative elements like F and

Last Answer : The chemical reactivity of noble gases involves the loss of electrons and hence it can form compounds with highly ... A. zero B. 2 C. 6 D. 8

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 Members of which group of elements lose 2 electrons to form cations with a plus 2 charge?

Description : What Members of which group of elements lose 2 electrons to form cations with a plus 2 charge?

Last Answer : Need answer

Why do some elements attract electrons?

Description : Why do some elements attract electrons?

Last Answer : Really oversimplifying it, some elements attract electronsbecause they don't have enough electrons to fill all their quantumenergy levels.

The atoms of which elements tend to gain electrons?

Description : The atoms of which elements tend to gain electrons?

Last Answer : Nonmetals tend to gain electrons.

How do you know which elements most readily accept electrons?

Description : How do you know which elements most readily accept electrons?

Last Answer : Atoms with a high electronegativity accept electrons; they are genenerally nonmetals.

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

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.

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.

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.

What are transition elements? (1) Elements whose two outermost shells are incomplete (2) Elements which possess properties of both, metals and non-metals (3) They have eight electrons in the outermost shell (4) Elements whose three outermost shells are incomplete

Description : What are transition elements? (1) Elements whose two outermost shells are incomplete (2) Elements which possess properties of both, metals and non-metals (3) They have eight electrons in the outermost shell (4) Elements whose three outermost shells are incomplete

Last Answer : (1) Elements whose two outermost shells are incomplete

Atoms of different elements have - (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configuration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Description : Atoms of different elements have - (1) same atomic number and same electronic configuration (2) different atomic number and same eletronic configuration (3) different atomic number and different number of valence electrons (4) same number of electrons and neutrons

Last Answer : (3) different atomic number and different number of valence electrons Explanation: Each element's atoms have a different number of protons, neutrons, and electrons, which is why they have different ... Their reactivity also varies because of the number and activeness of the electrons in the atom.

Which one of the following elements exhibits the greatest tendency to lose electrons? (1) Fluorine (2) Lithium (3) Oxygen (4) Zine

Description : Which one of the following elements exhibits the greatest tendency to lose electrons? (1) Fluorine (2) Lithium (3) Oxygen (4) Zine

Last Answer : (2) Lithium Explanation: Alkali metals such as Lithium are the most electropositive elements in the periodic table. As alkali metals have low ionization energies, they have a great tendency to lose electrons forming unipositive ions.

The reactivity of an ionic compound element is explained as its tendency to attain noble gas configuration. How do the elements do so? (1) Lose electrons (2) Gain electrons (3) Both are correct (4) Both are incorrect

Description : The reactivity of an ionic compound element is explained as its tendency to attain noble gas configuration. How do the elements do so? (1) Lose electrons (2) Gain electrons (3) Both are correct (4) Both are incorrect

Last Answer : (3) Both are correct Explanation: The reactivity of elements is explained as their tendency to attain a completely filled outer shell. This is called as having attained noble gas configuration. Once noble gas configuration is reached, the elements lose their reactivity.

The elements which undergo chemical change losing electrons are in generally called?

Description : The elements which undergo chemical change losing electrons are in generally called?

Last Answer : Metals

The elements which lose electrons in chemical reaction are called?

Description : The elements which lose electrons in chemical reaction are called?

Last Answer : Metals

Elements that do not conduct electricity and heat which tends to accept electrons?

Description : Elements that do not conduct electricity and heat which tends to accept electrons?

Last Answer : Non-Metals