An example of molecular crystal is

(1) diamond

(2) ice

(3) sodium chloride

(4) gold

Answer Posted / b

Diamond is a macromolecular (giant) crystal, consisting of
strong covalent bonds between the atoms in a tetrahedral
structure.
Sodium Chloride (NaCl) is an ionic crystal existing in an
ionic lattice of sodium cations and chlorine anions.
Cba with gold, so it must be ice

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