How does the chemical formula of Group VII elements reflect their bonding?
They are diatomic (e.g. Cl2Cl_2Cl2), because atoms share electrons in pairs to gain a full outer shell.
They are triatomic (e.g. Cl3Cl_3Cl3), because atoms share electrons in pairs to gain a full outer shell.
They are monatomic (e.g. ClClCl), because atoms transfer electrons singly to gain a full outer shell.
They are diatomic (e.g. Cl2Cl_2Cl2), because atoms share electrons individually to gain a full outer shell.
Flashcards for CIE IGCSE Chemistry Group VII properties, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended), plus Paper 5 or Paper 6. 15 cards, matched to the CIE IGCSE Chemistry (0620) specification.
