Question

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$\underline{Explain}$

(1) Iconic Bond
(2) Covalent Bond
(3) Coordinate Bond
(4)Metallic Bond.

With Examples

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Answer 1

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$\sf{\underline{1)\:Iconic\:bond:}}$

It is the bond, which is formed when two atoms come together and one atom loses an electron and other gains an electron.


$\sf{\underline{Example:}}$

In the formation if ionic bond between Mg and Cl, Mg looses two electrons and 2 Cl atoms gain one electron each, the constituent particles are ions $Mg^{2+}$ and $Cl^{-}$


$\sf{\underline{2)\:Covalent\:bond:}}$

It is a chemical bond which involve the sharing of a pair of electrons between two atoms and two atoms are valence electron in opposite to the transfer of electrons in ionic bonds. 


$\sf{\underline{Example:}}$

$CH_{4}$ molecule show a 4 covalent bonds between carbon and hydrogen due to sharing of electron.


$\sf{\underline{3)\:Coordinate\:bond:}}$

It is a type of covalent bond formed between two species in which shared pair of electrons is denoted by one species only but shared by both species. 


$\sf{\underline{Example:}}$

$NH_{3}$ shares the pair of electrons present on Nitrogen with $BF_{3}$, which is electron deficient.


$\sf{\underline{4)\:Metallic\:bond:}}$

A chemical bond in which electrons are shared over many nuclei and electronic conduction occurs is called metallic bond. 


$\sf{\underline{Example:}}$

The mercurous ion $(Hg_{2}^{2+})$ forms covalent metal-metal bonds.


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Answer 2

hey buddy!

1) Iconic bond- Ionic bonding is a type of chemical bonding that involves the electrostatic attraction between oppositely charged ions, and is the primary interaction occurring in ionic compounds. example- LiF - Lithium Fluoride.

LiCl - Lithium Chloride

2) Covalent bond- A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms. example- Water molecule (H2O) One oxygen atom joins with two hydrogen atoms.

3) Coordinate bond- A coordinate covalent bond, also known as a dative bond or coordinate bond is a kind of 2-center, 2-electron covalent bond in which the two electrons derive from the same atom. example- molecule of ammonia, a Lewis base with a lone pair of electrons on the nitrogen atom, and boron trifluoride, a Lewis acid by virtue of the boron atom having an incomplete octet of electrons.

4) metallic bond- Metallic bonding is a type of chemical bonding that rises from the electrostatic attractive force between conduction electrons and positively charged metal ions. example-iron, cobalt, calcium.

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