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IGCSE Chemistry: Complete Revision Bank

Unit 2: Atoms, Elements & Compounds

2.5 Simple molecules and covalent bonds

Click on any question below to reveal the interactive flashcard answer key:

25. How is a covalent bond formed?
When a pair of electrons is shared between two atoms, leading to noble gas electronic configurations.
26. Describe the electrical conductivity of simple molecular compounds.
They have poor electrical conductivity because they do not have delocalised electrons or mobile ions to carry a charge.