Power Plant Engineering
Isotopes of same elements have

Different masses and different atomic numbers
Same atomic number and different masses
Same chemical properties but different atomic numbers
Different chemical properties and same atomic numbers

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Power Plant Engineering
Enriched uranium is one in which

Percentage of U has been artificially increased
Extra energy is pumped from outside
Percentage of U₂₃₄ has been artificially increased
Percentage of U₂₃₅ has been artificially increased

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