How much does an iron atom weigh?
9.27 × 10⁻²⁶ kgWhich one: 9.27 × 10⁻²⁶ kg
An iron atom has a mass of about 9.27 × 10⁻²⁶ kg.
Atomic masses converted to kilograms, for the very smallest puzzles.
About the same weight
More atoms
- Carbon atom 1.99 × 10⁻²⁶ kg
- Oxygen atom 2.66 × 10⁻²⁶ kg
- Water molecule 2.99 × 10⁻²⁶ kg
- Gold atom 3.27 × 10⁻²⁵ kg
- Uranium atom 3.95 × 10⁻²⁵ kg
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