Multiple choice

The high density of ionic compounds results from:

  1. London force

  2. Nuclear forces

  3. Van der Walls forces

  4. Electrostatic forces
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D Correct answer
Explanation

Ionic compounds have a high density. They are generally heavier than water. The oppositely charged ions in an ionic compound are held very closely by strong electrostatic forces of attraction, resulting in the number of ions per unit volume increases. Consequently, increasing in mass per unit volume of the compound.

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