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Marking scheme o 4 If the correct integer is typed in the provided space o O In all other cases An element undergoes a reaction as shown X 2e X2 31 35 eV atom If the energy released is used to dissociate 4 gms of H molecule equally into H H where H is excited state of H atoms where the e travels in an orbit whose circumference is equal to 4 times its de Broglie s wavelength Determine the least no of moles of X that would be required Bond energy of H 5 0 eV molecule
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