Two stable isotopes and have respective abundances of 7.5% and 92.5%. These isotopes have…
Physics · Class 12 · CBSE — Nuclei
Two stable isotopes and have respective abundances of 7.5% and 92.5%. These isotopes have masses 6.01512 u and 7.01600 u respectively. The atomic weight of lithium is
- 6.941 u
- 3.321 u
- 2.561 u
- 0.621 u
Answer
(A) 6.941 u
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The mass number of iron nucleus is 55.854 and A = 56, the nuclear density is
- Rutherford’s experiments suggested that the size of the nucleus is about
- A radioactive element X with half life 2 h decays giving a stable element Y . After a time t , ratio of X and…
- Assertion (A): Thermonuclear fusion reactions may become the source of unlimited power for mankind. Reason…
- The half-life for radioactive decay of 14C is 5730 years. An archaeological artifact containing wood had only…
- An element A decays into an element C by a two step process A → B + 2 He 4 and B → C + 2 e – . Then,
- Which of the following is an essential requirement for initiating the fusion reaction?
- X(n, )_ 3 ^ 7 Li , then X will be