Q1 of 80 Page 77

What do you mean by covalent bonding?

The bonding in which atoms mutually share the electron pair(s) to form molecules is called covalent bonding.


Example: Hydrogen molecule. In hydrogen molecule, both the electrons are shared to form a covalent bond.



Another very common example is the water molecule:



In water molecule, the two single hydrogen & oxygen bonds are formed.


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(i) The main constituent of marsh gas is ……….

(ii) In case of a water molecule, hydrogen acquires a ………. configuration.

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Write the covalent bonding in nitrogen.

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Why covalent compound are volatile in nature with low boiling and low melting point?