English, asked by Sony1642, 4 months ago

Requesting letter if subject changing in college

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Answered by Nancy984
1

Answer:

The atomic mass is the mass of an atom. Although the SI unit of mass is kilogram, the atomic mass is often expressed in the non-SI unit dalton where 1 dalton is defined as ¹⁄₁₂ of the mass of a single carbon-12 atom, at rest

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