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Explain how the relative atomic mass and the mass number of elements are different and hence why some elements have relative atomic masses that are not whole numbers
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Explain how the relative atomic mass and the mass number of elements are different and hence why some elements have relative atomic masses that are not whole numbers

User Enrique Flores
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this is because the relative atomic mass is the sum of the no of protons and neutrons while the atomic no is of the former only. it is not a whole number it is th average weighted masses of the various isotopes of the element multiplied by their corresponding relative abundance. pls thank me and mark me briniest 
User Qmega
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