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Matter (Ions (Cations (atoms which lose electrons to become a stable state…

- - - - Ionic bonds between an anion and a cation are:
      - Hard
      - Brittle
      - High melting temperatures
  - - - Always write the cation first
      - Anions have an –ide on the end
      - Work out the ratio of atoms so that the charge is balanced
- - - - doesn't penertrate paper
  - - - doesn't penetrate alliminuium
  - - - doesn't penertrate lead
- - - - most important.
      - Determins the chemical propererties
      - how the atom will bond with other atom
      - Nobel gases have 8 electrons in their outer shell, making them unreactive gases
    - - Atoms give off energy through their electrons jumping shells
      - the atom is unstable and the electron will return to it's orginal shell, but will release energy in the process