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Why carbon 12 is used as a reference for atomic mass unit |
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Answer» Carbon-12 is of particular importance in its use as the standard from which atomic masses of all nuclides are measured, THUS, its atomic MASS is exactly 12 daltons by definition. Carbon-12 is composed of 6 protons, 6 neutrons, and 6 electrons. Isotope mass: 12 u Parent ISOTOPES: 12N; 12B Names: carbon-12, C-12 Symbol: 12C |
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