When a metal element reacts with a non-metal element an ionic compound is formed. When a non-metal element reacts with a non-metal element a covalent bond is formed. Structures and properties ...
Supercharge your GCSE Chemistry revision by listening to these podcasts from Bitesize and BBC Sounds. Listen on the BBC Sounds app to revise when you're out and about, or listen at home as part of ...
The latest short science news items from C&EN. Open an introductory chemistry textbook. What is a covalent bond? A covalent bond occurs when atoms share electrons in a molecule. What is a hydrogen ...
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