Essential Chemistry for IGCSE - Structure And Bonding (Section 1 - No. 30)
Which of the following compounds is *not* an example of a simple covalent molecule?
Methane (CH4)
Water (H2O)
Sodium chloride (NaCl)
Ammonia (NH3)
Explanation
Sodium chloride (NaCl) is an ionic compound, not a simple covalent molecule.
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