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Define atomic mass unit....

Define atomic mass unit.

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### Step-by-Step Text Solution: 1. **Definition of Atomic Mass Unit (amu)**: - The atomic mass unit (amu) is defined as one twelfth (1/12) of the mass of a carbon-12 (C-12) atom. 2. **Composition of Carbon-12**: - A carbon-12 atom consists of 6 protons and 6 neutrons in its nucleus. ...
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