Question

define the atomic mass unit​

Answer 1

Answer:

a unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.

Explanation:

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Answer 2

Answer:

$\fbox\pink{Atomic Mass Unit }$

• an atomic mass unit is used to express the relative masses of atoms.
• one atomic mass unit is equal to 1/12 the mass of a carbon-12 atom.
• an atom with mass is equal to twice the mass of the carbon -12 atom would have a relative mass of 24 u.

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