Ionic or covalent bond

Which bond is stronger, ionic or covalent? I have a lot of confusion about this. 




Covalent and ionic bonds are best thought of as opposite ends of a spectrum, where electrons are shared evenly (as in the case of a symmetric molecule like N2) or unevenly (like HF). 


That being said, bonds with more ionic character are generally considered stronger due to the significant electostatic contribution to bonding (the cationic and anionic components experience attraction). 


This principle is the core concept of [Pauling Electronegativities](http://en.wikipedia.org/wiki/Electronegativity#Pauling_electronegativity), where the degree to which electrons in a bond are "attracted" to one atom over the other (that is, the degree to which a bond is ionic) is ultimately derived from experimental bond dissociation energies (i.e. bond strengths).


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Ionic bonds are stronger since they're between 2 charged particles and its because of the electrostatic force of attraction between the oppositively charged ions. They have higher melting and boiling points and require more energy than the covalent bonds break. Covalent bonds are as a result of Adams sharing electrons. They can be easily broken into its primary structure as the atoms are close by to share the electron. 


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