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Fleming's Left Hand Rule

F, Cl, Br, I ...

Question

F, Cl, Br, I are the members of group 17 of the modern periodic table. How many valence electrons are present in fluorine and iodine?

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Solution

F, Cl, Br, and I are members of group 17 of the periodic table. Group 17 elements have seven valence electrons. Hence, fluorine and iodine have seven valence electrons.

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