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C2.1 Glossary
Structure and Bonding Glossary
| Term | Definition |
|---|---|
| Compound | A substance made when two or more elements are chemically bonded together. |
| Covalent Bond | The attraction between two atoms that share one, or more pairs of electrons. |
| Covalent Bonding | The attraction between two atoms that share one, or more pairs of electrons. |
| Delocalised Electron | bonding electron that is no longer associated with any one particular atom. |
| Dot and Cross Diagram | a drawing to show the arrangement of the outermost electrons only of the atoms or ions in substance. |
| Double Bond | a covalent bond formed by the sharing of two pairs of electrons. |
| Giant Covalent Structure | a huge 3D network of covalently bonded atoms. (e.g. the giant lattice of carbon atoms in diamond or graphite. |
| Giant Lattice | a huge 3D network of atoms or ions (e.g. the giant ionic lattice in sodium chloride). |
| Ion | a charged particle produced by the loss or gain of electrons. |
| Ionic Bond | the electrostatic force of attraction between positively and negatively charged ions. |
| Ionic Bonding | the electrostatic force of attraction between positively and negatively charged ions. |
| Mixture | when some elements or compounds are mixed together and intermingle but do not react together ( i.e. no new substances are made). A mixture is NOT a pure substance. |