Punjab Chemistry Online 9th Class Test Lesson 4 Structure of Molecules

A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction. The definition of the molecule has evolved as knowledge of the structure of molecules has increased. Earlier definitions were less precise, defining molecules. The three dimensional shape or configuration of a molecule is an important characteristic.

Structure of Molecules Lesson 4 Chemistry Online Test 9th Below

This quiz must be completed in 30 minutes.
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