Q142 / 200 · NEET 2003 · Physics

The mass number of a nucleus is:

  • A
    always less than its atomic number
  • B
    always more then its atomic number
  • Correct answer
    C
    sometimes equal to its atomic number
  • D
    sometimes less than and sometimes more than its atomic number

Solution

A $\geq$ Z [Equality sign $\rightarrow$ hydrogen nuclear]

Hence, the correct answer is option: 'C'.

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