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Ions

Ions are charged particles formed when atoms gain or lose electrons to achieve a full valence shell. This article explains the differences between anions and cations, valence electrons, and how ions are formed using examples like bromine, potassium, oxygen, and aluminum. Learn about the notation of ions and atoms, as well as the significance of ions in chemistry.

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Ions

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  1. Ions

  2. Ions are charged particles • The charge on an ion is the DIFFERENCE between the p+ and e- Chloride ion General term for negative ion = Anion

  3. General term for positive ion = Cation

  4. Ions form because atoms want to have a full valence shell (outer energy level). • like the nearest noble gas. • They will do this the easiest way possible.

  5. Valence ElectronsNumber of electrons in the outer shell of an atom 1e- 3e- 4e- 5e- 6e- 7e- 2e- Full outer shell One or two

  6. How do the following form ions, and what’s their notation? Remember this? p+? no? e-? Bromine? Potassium? Oxygen? Aluminum?

  7. Ions vs. Atoms (and their isotopes)

  8. THE END

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