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Aakash K
Lv 5
Aakash K asked in Science & MathematicsChemistry · 10 years ago

why is the atomic mass double from the atomic number?

in the periodic table

1 Answer

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  • Al
    Lv 7
    10 years ago
    Favorite Answer

    Check again. For most elements it isn't.

    The mass depends not only on the number of protons an element has (its atomic number), but also on the number of neutrons it has. Most elements have way more neutrons thatn protons.

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