Sodium chloride does not exist as molecules but aggregates of oppositely charged ions.explain

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Solution

NaCl is an ionic compound. All ionic compounds adopt a three-dimensional structure in which the ions are close to many ions of the opposite charge.The distance between the oppositively charged ions is very small and thus force of attraction between these ions is strong enough to form aggregates of oppositely charged ions

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In our NCERT book, a paragraph is written - Sodium and chloride ions, being oppositely charged, attract each other and are held by strong electrostatic forces of attraction to exist as sodium chloride (NaCl). It should be noted that sodium chloride does not exist as molecules but aggregates of oppositely charged ions.

But I am getting confused in the last line, I.e. NaCl does not exist as molecules but aggregates of oppositely charged ions.

What is meant by this statement??

Please explain very clearly and conceptually.

Explain the following briefly:
(a) Sodium chloride dissolves in water but carbon tetrachloride is insoluble in water.
(b) Helium does not form He₂ molecule.
(c) Pure water does not conduct electricity, but on adding sodium chloride to it, it starts conducting electricity.
(d) Cl₂ is a non-polar molecule, while HCl is a polar molecule.
(e) Metals are electropositive.

Q. Explain why solid sodium chloride does not conduct electricity but in the molten state it does?

Q. The number of equidistant oppositely charged ions in a sodium chloride crystal is

[MP PET 2001]

Q. The number of equidistant oppositely charged ions in a sodium chloride crystal is

[MP PET 2001]

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