Types of Bonding
Chemistry: Edexcel IGCSE, topic 6.1.5
Chemical Bonds
Atoms can chemically bond in 3 ways: ionic bonding, covalent bonding or metallic bonding.
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Ionic bonding
- Ionic bonding involves an attraction between oppositely charged ions.
- Ionic bonds are found in compounds made of metals and non-metals.
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Covalent bonding
- Covalent bonding involves 2 atoms sharing 1 or more pairs of electrons.
- Covalent bonds are found in most non-metal elements and in compounds of non-metals.
Metallic bonding
- Metallic bonding involves an attraction between positively charged ions and negatively charged, delocalised electrons.
- Metallic bonds are found in metals and alloys (mixtures of metals and other substances).