General Knowledge question

  • #1

NPFD

If an Na atom is positively charged and a Cl atom is negatively charged then what creates the repulsion since they have an equalibrium seperation?
 
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  • #2
As far as I know, when we are talking charges, we are talking net charges on consideration on the balance of protons and electrons. At large distances, we can generalise this in terms of single "positively charged/negatively charge" particles. But as we get closer, this is no longer true, and other factors come into play, such as proton-proton charge repulsion from the two nuclei.
 
  • #3


The repulsion between the positively charged Na atom and the negatively charged Cl atom is due to the electrostatic force between them. This force is a fundamental force of nature that acts between charged particles and is responsible for the repulsion between like charges and attraction between opposite charges. Even though the atoms have an equilibrium separation, the electrostatic force is still present and causes the repulsion between them.
 

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