1.37: Understand How Ions are formed by Electron Loss or Gain

ION: Electrically charged atom or a group of atoms that are formed by the Loss or Gain of Electrons

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• Loss or gain of Electrons result in the formation of an ion with full outer shell of Electrons
• Electronic configuration of an ion will be the same as that of a Noble Gas - Such as Helium, Neon and Argon

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IONISATION OF METALS AND NON - METALS:

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• METALS: Loses Electrons to another atom and become Positively Charged Ions
• NON - METALS: Gain Electrons from another atom and become Negatively Charged Ions

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METALS	NON - METALS
Positively Charged Sodium and Aluminium Ions	Negatively Charged Oxide and Chloride Ions