Many elements have non-integral atomic m...

Many elements have non-integral atomic masses because

They have isotopes

Their isoptopes have non-integral masses

Their istopes have different masses

The contituent-neutrons protons and electron-combine to give radaonal messes

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Non integral atomic masses are due to isotopes which have difference masses
Hence a and c are correct

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CENGAGE CHEMISTRY ENGLISH-ATOMIC STRUCTURE-Concept Applicationexercise(4.3)

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