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  • Created by: beth
  • Created on: 30-12-12 21:36
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  • Atoms
      • Atoms have a NUCLEUS made up od PROTONS and NEUTRONS
      • Electrons surround the NUCLEUS
      • PROTONS have a POSITIVE charge
      • NEUTRONS have a NEUTRAL charge
      • ELECTRONS have a NEGATIVE charge
      • The MASS NUMBER is the amount of PROTONS + NEUTRONS
      • The ATOMIC NUMBER is the number of ELECTRONS and PROTONS
      • To calculate the number of NEUTRONS= MASS No.- ATOMIC No.
      • ELEMENTS are substances made up nof ONE TYPE of atom
      • COMPOUNDS are atoms which for CHEMICAL BONDS with other atoms
        • Compounds formed from METAL and NON-METAL consists of ions
        • Invovles TAKING or GIVING ELECTRONS
        • METAL atoms LOSE electrons to form POSITIVE IONS
        • NON-METAL atoms GAIN electrons to form NEGATIVE IONS
        • The charges of the ions are OPPOSITE and so are STRONGLY ATTRACTED to each other
        • Compound formed from NON-METALS consists of MOLECULES
        • Each atom SHARES an electron with another atom
        • Each atom MUST make enough covalent bonds to FILL ITS OUTER SHELL




spelling mistake on here ahh

Jack Baynes


Substantial information, well done! Next time, please try to consider space since the boxes are too close together.

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