MCQ
Which of the following has the same number of protons?
  • A
    Isobars
  • B
    Isoelectronic
  • Isotopes
  • D
    Isotones

Answer

Correct option: C.
Isotopes
Isotopes are elements having the same atomic number but different mass numbers. e.g : $_1 \ce{{H}^1,_1{H}^2,_1{H}}^3$ are isotopes of hydrogen.

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