STANDARDPhysics-Nuclei
STANDARD Physics Isotopes, Isobars, and Isotones MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The set which represents the isotope, isobar and isotone respectively is
A
(²₁H, ³₁H), (¹⁹⁷₇₉Au, ¹⁹⁸₈₀Hg) and (³₂He, ²₁H)
B
(³₂He, ¹₁H), (¹⁹⁷₇₉Au, ¹⁹⁸₈₀Hg) and (¹₁H, ³₁H)
C
(³₂He, ³₁H), (²₁H, ³₁H) and (¹⁹⁷₇₉Au, ¹⁹⁷₈₀Hg)
D
(²₁H, ³₁H), (³₂He, ³₁H) and (¹⁹⁷₇₉Au, ¹⁹⁸₈₀Hg)
Correct Answer
Option D
Detailed Explanation
Isotopes have the same atomic number but different mass numbers. Isobars have the same mass number but different atomic numbers. Isotones have the same neutron number.
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