Predict the formulas of the stable binary compounds that would be formed by the combination of the given pairs of elements: Element 71 and fluorine.
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A brief representation of the molecule of a substance (element or compound) in terms of the symbols of the various elements present in it is called its chemical formula-
The element with the atomic number 71 is Lutetium (Lu).
It has valency 3. Hence, the formula of the compound is LuF3.(Lutetium trifluoride)
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