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Atomic Structure. — Science STD 8 — Question

Tamilnadu BoardEnglish MediumSTD 8ScienceAtomic Structure.1 Mark
MCQ
In all atoms of an element
  • A
    the atomic and the mass number are same.
  • B
    the mass number is same and the atomic number is different.
  • C
    the atomic number is same and the mass number is different
  • D
    both atomic and mass numbers may vary
✓

Answer

The atomic and the mass number are same.

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