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Hydrogen — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryHydrogen1 Mark
MCQ
Hydrogen is the $ ......... $ element on the earth :
  • A
    most abundant
  • B
    heaviest
  • ✓
    lightest
  • D
    none of these
✓

Answer

Correct option: C.
lightest
$H$ is the lightest element on earth as there is only $1$ proton and $1e^-$.
All the other elements have more than $1$ electrons and protons along with neutrons.

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