Why is HCl not an ionic crystal but NaCl is?

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Why hcl is not an ionic crystal bt Nacl is?? (Both show polarity)

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gracy said:
Why hcl is not an ionic crystal bt Nacl is?? (Both show polarity)

[PLAIN]https://ssl.gstatic.com/s2/oz/images/cleardot.gif[/QUOTE]
The bond holding NaCl together is ionic in nature, i.e. the Na atom 'gives' an electron to the chlorine atom resulting in two charged ions which are attracted by the Coulomb interaction. In HCl the bonding is covalent, i.e. the outer electrons are shared. Hence NaCl is an ionic compund, and HCl is not.
 
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