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3.32    Predict the formulas of the stable binary compounds that would be formed by the combination of the                             following pairs of elements.

(f)Element 71 and fluorine 

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The element with the atomic number 71 is Luteteium (Lu) having valency of 3. 

Hence, the formula of the compound is LuF_{3} (Lutetium trifluoride).

Posted by

Divya Prakash Singh

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