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Structure of Atom — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryStructure of Atom1 Mark
MCQ
The life span of atomic hydrogen is:
  • A
    Fraction of one sec.
  • B
    Ne year.
  • C
    One hour.
  • D
    One day.
✓

Answer

  1. Fraction of one sec.

Explanation:

The life span of hydrogen is approximately 0.3 sec.

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