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Covalent Bonding Overview (Edexcel A Level Chemistry): Revision Note

Philippa Platt

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Covalent Bonding

  • Covalent bonding occurs between two non-metals

  • A covalent bond involves the electrostatic attraction between nuclei of two atoms and the bonding electrons of their outer shells

  • No electrons are transferred but only shared in this type of bonding

Chemical Bonding Defining Covalent Bonds, downloadable AS & A Level Chemistry revision notes

The positive nucleus of each atom has an attraction for the bonding electrons shared in the covalent bond

  • Non-metals are able to share pairs of electrons to form different types of covalent bonds

  • Sharing electrons in the covalent bond allows each of the 2 atoms to achieve an electron configuration similar to a noble gas

    • This makes each atom more stable

Covalent Bonds & Shared Electrons Table

Chemical Bonding Table_8, downloadable AS & A Level Chemistry revision notes

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    Philippa Platt

    Author: Philippa Platt

    Expertise: Chemistry

    Philippa has worked as a GCSE and A level chemistry teacher and tutor for over thirteen years. She studied chemistry and sport science at Loughborough University graduating in 2007 having also completed her PGCE in science. Throughout her time as a teacher she was incharge of a boarding house for five years and coached many teams in a variety of sports. When not producing resources with the chemistry team, Philippa enjoys being active outside with her young family and is a very keen gardener