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Please explain it clearly.....(i) Electro negativity (ii) Metallic bond (iii) Hydrogen bond

Please explain it clearly.....(i) Electro negativity (ii) Metallic bond (iii) Hydrogen bond 
 
 
 

Grade:12th pass

2 Answers

Amit
405 Points
6 years ago
Hi there.. Electronegativity is basically a measure of how strongly atoms attract bonding electrons to themselves......The metallic bond is a type of chemical bond that occurs between atoms of metallic elements. It is responsible for holding metal elements together....A hydrogen bond is a type of attractive (dipole-dipole) interaction between an electronegative atom and a hydrogen atom bonded to another electronegative atom. Hope these are clear.. Please approve.
Arun
25750 Points
6 years ago
Electronegativity is a measure of the tendency of an atom to attract a bonding pair of electrons. The Pauling scale is the most commonly used. Fluorine (the most electronegative element) is assigned a value of 4.0, and values range down to cesium and francium which are the least electronegative at 0.7
 
Metallic bondings are the force of attraction between valence electrons and the metal atoms. It is the sharing of many detached electrons between many positive ions, where the electrons act as a "glue" giving the substance a definite structure. It is unlike covalent or ionic bonding.
 
A hydrogen bond is a partially electrostatic attraction between a hydrogen (H) which is bound to a more electronegative atom such as nitrogen (N), oxygen (O), or fluorine (F), and another adjacent atom bearing a lone pair of electrons.

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