What's the mass for one iron atom in standard and scientific notation?
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Mass of one iron atom in Standard notation
One atom of iron-56 (the most common isotope) has a mass of 56 amu (to a close approximation). One amu is 0.000 000 000 000 000 000 000 000 001 66 kg.
Mass of one iron atom in Scientific notation
Multiply by 56, then convert to scientific notation—which is a skill that you should have, by now.
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