The nuclei ²²₁₁Na and ²²₁₀Ne are known as:
Correct answer: B. Isobars
- A. Isotopes
- B. Isobars
- C. Isotones
- D. Isomers
Explanation
These two nuclei have different numbers of protons (11 for Sodium, 10 for Neon) but the same total mass number (22). Nuclei with the same mass number but different atomic numbers are called isobars.
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