Question

MCQ : Mass of a 12C isotope in amu unit is

  • Matter: Atomic structure
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Answer

Question

Mass of a 12C isotope in amu unit is

  1. 1
  2. 12
  3. 1/12
  4. none of them

Answer

12

Explanation

The mass of a 12C isotope, in amu (atomic mass unit), is 12. The atomic mass unit is defined as one-twelfth of the mass of a neutral atom of carbon-12, which has 6 protons and 6 neutrons in its nucleus.

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