Atomic mass of oxygen is 16u. What does it indicate

1.	Atomic mass of oxygen is 16u. What does it indicate
Answer» ATOMIC mass of an element is the RELATIVE mass of its ATOM as compared with the mass of a carbon-12 atom taken as 12 units. Hence, atomic mass of OXYGEN is 16 U means that one atom of oxygen is 16 times heavier than 1/12 of a carbon-12 atom.

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