10. Which of the following statements regarding nuclear chemistry is correct? A.

Question

10. Which of the following statements regarding nuclear chemistry is correct? A. Radioactive decay processes result in a change in the nucleus of the isotope undergoing reaction. B. A nuclear particle (a proton or neutron) is called a nuclide. C. Radioactive decay always results in the emission of an alpha particle. D. All isotopes are radioactive. E. Atoms with the same mass number but different atomic numbers are called isotopes 11. What type of radioactive decay would be expected for the unstable nuclide A. neutron emission B. positron emission C. beta particle (electron) emission D. alpha particle emission E. gamma ray emission

Explanation / Answer

10.

(A)

Radio active decay processes result in a change in the nucleus of the isotope undergoeing reaction .

11.

(A) Neutron emission . As it has few number of neutrons.

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