File Name: chemical bonding and molecular structure .zip
Chemical Bond. Lewis Symbols. Ionic Bond. Characteristics of Ionic Compounds.
These notes are prepared keeping in mind the level of preparation needed by the students to prepare for Class 11 exams. Chemical Bonding and Molecular Structure Class 11 Notes aims at easing out the student's learning and revision process. In the periodic table, the highly electronegative halogens and the highly electro-positive alkali metals are separated by noble gases.
Formation of an anion and cation by the halogens and alkali metals are formed by gain of electron and loss of electron respectively. Both the negative and positive ions acquire the noble gas configuration. The negative and positive ions are stabilized by electrostatic attraction. By Login, you agree to our Terms and Privacy Policies. Forgot Password? OTP has been sent to you on your mobile number. Please enter below. Didn't receive OTP? Resend OTP. Want to update details?
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In these bonds electrons are contributed by both. Generally, it is formed between metals and non-metals. We can say that it is the electrostatic force of attraction which holds the oppositely charged ions together. The compounds which is formed by ionic or electrovalent bond is known as electrovalent compounds. For Example, , i NaCl is an electrovalent compound. Electrovalency: Electrovalency is the number of electrons lost or gained during the formation of an ionic bond or electrovalent bond. Hence, lesser the ionization enthalpy, easier will be the formation of a cation and have greater chance to form an ionic bond.
molecule and the two carbon atoms in the ethyne molecule, a triple bond is formed. Lewis Representation of Simple. Molecules (the Lewis Structures). The.
Download revision notes for Chemical Bonding and Molecular Structure class 11 Notes Chemistry and score high in exams.
Except noble gas, there is no other element which exists as an independent atom. A group of atoms exist together as one species possessing characteristic properties and are known as molecules. A molecule is only formed if it is stable and possesses lower energy than the individual atoms. It is the combination of two or more atoms which involve redistribution of electrons among them. Increase in bond strength is accompanied by a decrease in energy.
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