In each of the parts of this question, a nucleus undergoes a nuclear decay. Dete

Question

In each of the parts of this question, a nucleus undergoes a nuclear decay. Determine the resulting nucleus in each case.

227 89 Ac undergoes alpha decay. Determine the resulting nucleus. Enter your answer in the space below. For example, if the resulting nucleus is 40 20 Ca enter ^40_20Ca. 211 83 Bi undergoes beta-minus decay. Determine the resulting nucleus. Enter your answer in the space below. For example, if the resulting nucleus is 40 20 Ca enter ^40_20Ca. 22 11 Na undergoes beta-plus decay. Determine the resulting nucleus. Enter your answer in the space below. For example, if the resulting nucleus is 40 20 Ca enter ^40_20Ca. 98 43 Tc undergoes gamma decay. Determine the resulting nucleus. Enter your answer in the space below. For example, if the resulting nucleus is 40 20 Ca enter ^40_20Ca.

Explanation / Answer

A)

^227_89Ac , after alpha decay ,

as the atomic mass decrease by 4 and atomic number by 2

^223_87Fr

B)

for beta-minus deacy ,

atomic number increases by 1 ,

211_84Po

c)

for beta plus , atomic number decreases by 1 ,

22_10Ar

d)

for gamma decay ,

Here , both the atomic number and mass remains same

98_43Tc

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