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Energy of electron of hydrogen atom in second Bohr orbit is:
(1)-5.44x10-19 j
(2)- 5.44x10-19 kj
(3)-5.44x10-19 cal
(4)-5.44x10-19eV
ans: -5.44x10-19 j
fe is a non stoichiometric compound
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x gram of metal reacts with chlorine to form y gram of metal chloride.calculate equivalent mass of metal.
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