/> Rohini, Delhi, India - 110042.
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Rohini, Delhi, India - 110042
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Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class 9 Tuition
1
Board
CBSE
CBSE Subjects taught
Mathematics
Taught in School or College
No
Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class 10 Tuition
1
Board
CBSE
CBSE Subjects taught
Mathematics
Taught in School or College
No
1. Which school boards of Class 10 do you teach for?
CBSE
2. Do you have any prior teaching experience?
No
3. Which classes do you teach?
I teach Class 10 Tuition and Class 9 Tuition Classes.
4. Do you provide a demo class?
Yes, I provide a free demo class.
5. How many years of experience do you have?
I have been teaching for 1 year.
Answered on 13/07/2021 Learn CBSE/Class 10/Science
When two atoms form a bond with each other and if this bond is formed by the contribution of one electron from each atom, such a type of bond is called a covalent bond. Talking about carbon, it forms four covalent bonds, e.g. CH4. Carbon has 4 electrons in its valence shell. Thus, to attain stability, it must either gain 4 electrons completing its octet and stable electronic configuration or lose 4 electrons, resulting in a stable electronic configuration.
But when it gains 4 electrons, excess negative charge is generated, and there will be a lot of repulsions between the electrons, and thus it won't be stable. If it loses 4 electrons, an excess positive charge is generated, which is also not stable.
Hence to attain stability, it can't gain or lose electrons, making a bond by sharing electrons (i.e., covalent bond) to complete its octet, leading to stability.
Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class 9 Tuition
1
Board
CBSE
CBSE Subjects taught
Mathematics
Taught in School or College
No
Class Location
Online (video chat via skype, google hangout etc)
Student's Home
Tutor's Home
Years of Experience in Class 10 Tuition
1
Board
CBSE
CBSE Subjects taught
Mathematics
Taught in School or College
No
Answered on 13/07/2021 Learn CBSE/Class 10/Science
When two atoms form a bond with each other and if this bond is formed by the contribution of one electron from each atom, such a type of bond is called a covalent bond. Talking about carbon, it forms four covalent bonds, e.g. CH4. Carbon has 4 electrons in its valence shell. Thus, to attain stability, it must either gain 4 electrons completing its octet and stable electronic configuration or lose 4 electrons, resulting in a stable electronic configuration.
But when it gains 4 electrons, excess negative charge is generated, and there will be a lot of repulsions between the electrons, and thus it won't be stable. If it loses 4 electrons, an excess positive charge is generated, which is also not stable.
Hence to attain stability, it can't gain or lose electrons, making a bond by sharing electrons (i.e., covalent bond) to complete its octet, leading to stability.
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