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Chemistry · Structure of atom

हिन्दी

What is the approximate mass of a neutron in terms of atomic mass units (\( \text{u} \))?

  1. \( 0.00054 \text{ u} \)
  2. \( 1.00867 \text{ u} \)
  3. \( 1.00727 \text{ u} \)
  4. \( 0 \text{ u} \)

Correct answer · Option 2

\( 1.00867 \text{ u} \)

Explanation

From Table 2.1, the exact mass of a neutron is \( 1.674927 \times 10^{-27} \text{ kg} \), which corresponds to \( 1.00867 \text{ u} \).
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