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QUESTION
Hypothetical elements X and Y form a molecule XY2, in which both Y atoms are bonded to atom X (and not to one another). The X-X distance in the...
Hypothetical elements X and Y form a molecule XY2, in which both Y atoms are bonded to atom X (and not to one another). The X-X distance in the elemental form of X is 2.04 A (angstrom), and the Y-Y distance in elemental Y is 1.68 A (angstrom). What would you predict for the X-Y distance in the XY2 molecule?
