Atoms are eletrical neutral why sodium loss electron chlorine gain electron form salt
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Atoms are generally neutral in normal state since the number of electrons are equal to the number of protons.
In the case of Sato (NaCl)
Na ----> Na + electron
As sodium gives out an electron, protons are more. Hence, sodium has a positive charge only in ionic compounds.
Cl + electron
The electron sodium gave out is taken by chlorine. Since, electrons are more in this chlorine atom it has a negative charge.
This loss and gain of electrons are done in order to reach an octate state so that both the atoms that form a molecule become stable.
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