Which one of the following pair is of isobars?
Correct answer: B. 614 C and 714N
- A. 126 C and 146 C
- B. 614 C and 714N
- C. 42 He and 31H
- D. Both A and C
Explanation
Isobars have different atomic number but same atomic mass. This option clearly shows elements having same atomic mass but different atomic number.
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About Composition of Atomic Nuclei
Atomic nuclei contain positively charged protons and electrically neutral neutrons, collectively called nucleons. Questions use atomic number, mass number and nuclear notation to identify isotopes, isobars and isotones, and may connect nuclear composition with nuclear charge, mass defect, binding energy and the stability of the nucleus.
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