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What is the atomic mass unit. |
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Answer» 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: The dalton or unified atomic mass unit is a unit of mass widely used in PHYSICS and CHEMISTRY. It is defined as 1/12 of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest. The atomic mass constant, denoted mᵤ, is defined identically, giving mᵤ = m/12 = 1 Da. |
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