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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom1 Mark
MCQ
The difference between isotopes and isobars:
  • ✓
    Isotopes have same chemical properties but isobars have different.
  • B
    Both have same physical properties.
  • C
    Isotopes have same physical properties but isobars have different.
  • D
    Isobars have same chemical properties but isotopes have different chemical properties.
✓

Answer

Correct option: A.
Isotopes have same chemical properties but isobars have different.
Isotopes have same atomic number whereas isobars have different atomic number. Isotopes have different mass number whereas isobars have same mass number. Isotopes show same chemical properties whereas isobars show different chemical properties.

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