There are two kinds of radioactive nuclides with the half-life 6h and 8d. If their activity are same , try to determine the ratio of the nuclei number of the two nuclides.

Q: In a piece of rock from the Moon, the 87Rb content is assayed to be 1.82 x 1010 atoms per gram of…

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Q: α decay of 210 Po , the isotope of polonium in the decayseries of 238U that was discovered by the…

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Q: (a) Determine the mass number of a nucleus whose radius is approximately equal to two-thirds the…

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Q: You have an istope with a decay constant of 2.48x10-³s-¹. What is the half life of isotope?

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Q: The nucleus16 B(Z=5)has not been detected in nuclear reaction studies. Explain why. (Please type…

A: Nucleus of 16 B ( Z = 5 )

Q: (a) Which of the following nuclides are magic: 122Sn, 132Sn, 98Cd, 198Au, 208Pb? (b) Which, if any,…

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Q: A radioactive sample contains 3.50 μg of pure 11 C, which has a half-life of 20.4 min. (a) How many…

A: a) To calculate the number of mole of 11C,

Q: A certain isotope has a half-life of 5.9 h and an atomic mass of 95.98 u. What will the activity in…

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Q: 1) If the activity of a purely radioactive sample of 55Fe is measured to be 0.5 mCi. What is the…

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Q: What is the activity (in particles/s) of a sample of Carbon-14 that contains 9.070E+21 nuclei?

A: Half life of C-14 (t1/2) = 5730 years  N = 9.070 x 1021  As we know, Activity (A) = 0.693 N/t1/2…

Q: The stable nuclei 36Ar and 76Se both differ by 20 in atomic number from 56Fe, which lies at the peak…

A: Knowns: For 36Ar: Number of protons Z=18. Number of neutrons N=18. Mass of neutron mn=1.008665u.…