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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The nucleus of tritium consists of:
  • A
    $1$ proton & $1$ neutron
  • B
    $1$ proton & $3$ neutrons
  • C
    $1$ proton & no neutron
  • ✓
    $1$ proton & $2$ neutrons
✓

Answer

Correct option: D.
$1$ proton & $2$ neutrons

Tritium $\left({ }^3 \mathrm{H}\right)$ is the only radioactive isotope of hydrogen. The nucleus of a tritium atom consists of a proton and two neutrons.

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