When a nucleus undergoes radioactive decay, its new mass number is a. never more than its original mass number. b. always less than its original mass number. c. always more than its original mass number. d. always the same as its original mass number. e. never less than its original mass number.

Q: The heaviest stable nucleus is an isotope of A. platinum. D. bismuth. B. gold. E. xenon. C. lead.

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Q: 18. In a fission process, uranium-235 is bombarded with a neutron to yield two neutrons, iodine-139…

A:

Q: The isotope Strontium-89 A. is likely to decay by alpha emission. B. is likely to decay by positron…

A: Strontium-89 (89Sr) decays by beta emission to yttrium-89 (89Y) with a half-life of 50.6 days.…

Q: Which of the following is NOT a possible result of nuclear decay? a. ultra violet radiation O b.…

A: Answer - The correct option is - (a) Ultraviolet radiation    Nuclear  decay is the process by which…

Q: What type of radiation occurs when a negatively charged electron is emitted from a nucleus?

A: ANSWER

Q: .How does nuclear fusion generate energy? A.When a heavy nucleus splits, the total mass of the…

A: Nuclear chemistry

Q: In nuclear reactions: А. mass and energy are destroyed B. small amount of mass are converted to…

A: Recall Einstein equation             E=mc2Where, m is mass defect           c is velocity of light…

Q: Type of radiation: C. Explanation: Proton e Neutron 214Pb 82 214

A: when the ratio of neutrons to protons in the nucleus is too high. An excess neutron transforms into…

Q: Samples of the following isotopes in pure form, each containing the same number of atoms, are taken.…

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Q: Which of the following particles has the greatest mass?   A. photon   B. positron   C. alpha…

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Q: Describe what changes occur during beta decay. OA. The mass number and atomic number increase.. OB.…

A: Given process: beta decaychange in mass no = to be determinedchange in atomic no = to be determined

Q: 44. Cobalt-60 has a half decay, how many grams

A: The answer is given as follows

Q: . An unstable isotope that lies under the stability curve of the nucleus will emit.... a.…

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Q: The explanation for how a beta-particle is produced in the nucleus of a radionuclide and then…

A: beta particles are 0-1e Hence the beta-particle is produce in the reaction means production of  0-1e…

Q: 4. Which type of radiation – alpha, beta, or gamma: a. Results in the greatest change in atomic…

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Q: 7. A sample contains 9,000 particles of the original isotope for every 63,000 particles of the…

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Q: A change in the number of protons in a nucleus of an atom indicates a transmutation reaction. A.…

A: The atomic number of any atom is defined by the number of protons present in that atom. Atomic…

Q: beta decay

A: C. The mass number is unchanged and the atomic number increases.