Multiple choice

NaCl has a definite shape because of:

  1. nuclear forces

  2. london force

  3. electrostatic force

  4. van der waal forces
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Ionic compounds are hard crystalline solids. The crystal of sodium chloride has a definite shape. There is a strong electrostatic force of attraction, which holds the ions together. The ions cannot be easily separated. The crystals are hard and brittle.

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