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Carbon and its Compounds Class 10 Notes Science Chapter 4
October 24, 2019 by Bhagya
CBSE Class 10 Science Notes Chapter 4 Carbon and its Compounds Pdf free download is part of Class 10 Science Notes for Quick Revision. Here we have given NCERT Class 10 Science Notes Chapter 4 Carbon and its Compounds.
According to new CBSE Exam Pattern, MCQ Questions for Class 10 Science pdf Carries 20 Marks.
Carbon and its Compounds Notes CBSE Class 10 Science Chapter 4
Bonding in Carbon: The Covalent bond, Electron dot structure, Physical properties of organic compounds, Allotropes of Carbon.
Covalent Bond: The atomic number of carbon is 6. Its electronic configuration is 2, 4. It requires, 4 electrons to achieve the inert gas electronic configuration. But carbon cannot form an ionic bond
It could gain four electrons forming C4- cation. But it would be difficult for the nucleus with six protons to hold on to ten electrons.
It could lose four electrons forming C4+ cations. But it requires a large amount of energy to remove four electrons.
Thus, carbon overcomes this problem by sharing of its valence electrons with other carbon atoms or with atoms of other elements.
The bond formed by mutual sharing of electron pairs between two atoms in a molecule is known as Covalent Bond.
Types of Covalent Bond:
Single Covalent Bond: When a single pair of electrons are shared between two atoms in a molecule. For example; F2, Cl2, H2 etc.నిర్మాణాత్మకమూల్యాంకనం - 1
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