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Pick up a Periodic Table. There are numbers above and below each element. Eg, carbon will have a 6 (atomic number) and 12(.011). The 12.001 is Carbon's mass. If it is molecular mass, it involves adding the atomic masses together. And remember, say if it is O2 you add it twice because there are two of that element.
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Earn +20 ptsQ: How can you get atomic mass?
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Continue Learning about Natural Sciences
The mass of an atom usually expressed in atomic mass units is its?
Atomic mass.
What is the atomic mass of silver?
The atomic mass of silver is approximately 107.87 atomic mass units.
What is the atomic mass of aluminum?
The atomic mass of aluminum is approximately 26.98 atomic mass units.
What is the atomic mass of arsenic?
The atomic mass of arsenic is approximately 74.92 atomic mass units.
What is the atomic mass of potassium?
The atomic mass of potassium is approximately 39.10 atomic mass units.
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