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First of all atoms that have charge are called ions. Atoms with opposite charges will always attract each other to neutralize one another. And the reason why they have charge is due to a chemical reaction in aqueous solution that caused a separation of charges.

For example: NaCl (table salt) mixed in water causes the molecule to break apart with (+)Na and (-)Cl which are called ions.

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Velda Hauck

Lvl 13
3y ago

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