8) Consider the following decay series: a b c d 218/84 Po ------->214/82 Pb-----

Question

8) Consider the following decay series:

a b c d

218/84 Po ------->214/82 Pb----------> 214/83 Bi--------------> 214/84 Po----------> 210/82 Pb

Which type of nuclear process occurs in steps a and b, respectively?
A) a emission, a emission
B) a emission, b emission
C) b emission, positron emission
D) b emission, a emission
E) positron emission, b emission

4)  Which of the following is characteristic of a nuclear reaction?
I. Electrons in atomic orbitals are involved in the breaking and forming of bonds
II. Elements are converted from one to another
III. Reaction rates are typically not affected by catalysts
IV. Atoms are rearranged by the breaking and forming of chemical bonds
A) I and II
B) I, II, and III
C) III and IV
D) II and III
E) I, II, III, and IV

Explanation / Answer

8) B i.e (a , 4/2 He emission, Beta emission}

4) D i.e (ii) and (iii)

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