CHEMISTRY SSS1 Third Term
The student should be able to:
- Explain what isomerism is.
- Explain what unsaturated hydrocarbons are.
- State the structures and properties.
What is Isomerism?
Isomerism is the phenomenon in which more than one compounds have the same chemical formula but different chemical structures. Chemical compounds that have identical chemical formulae but differ in properties and the arrangement of atoms in the molecule are called isomers. Therefore, the compounds that exhibit isomerism are known as isomers.
The word “isomer” is derived from the Greek words “isos” and “meros”, which mean “equal parts”. This term was coined by the Swedish chemist Jacob Berzelius in the year 1830.
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