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Elements of Group 1 and 2 — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryElements of Group 1 and 21 Mark
MCQ
Isotopes are atoms of the same element having different ………….. number.
  • ✓
    neutron
  • B
    proton
  • C
    electron
  • D
    Both (A) and (B)
✓

Answer

Correct option: A.
neutron
(A) neutron

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