Question

Which of the following element(s) is/are stable though having odd number of neutrons and protons?

• A. ${}_3^{6}Li$
• B. ${}_5^{11}B$
• C. ${}_2^{4}He$
• D. ${}_7^{14}N$

Answer 1

Answer: (A), (D)

${}_7^{14}N$
${}_3^{6}Li$

${}_3^{6}Li$ and ${}_7^{14}N$ are stable though having odd number of neutrons and protons.
${}_5^{11}B$ has even number of neutrons.
${}_2^{4}He$ has even number of protons and neutrons.