Write the Nuclear Equation for the Alpha Decay Of ${ } _ { 90 } ^ { 232 }$

question 49

Multiple Choice

Write the nuclear equation for the alpha decay of ${ } _ { 90 } ^ { 232 }$ Th.

• A) \({ } _ { 2 } ^ { 4 } \mathrm { He } + { } _ { 90 } ^ { 232 } \mathrm { Th } \rightarrow { } _ { 92 } ^ { 236 } \mathrm { U }\)
• B) \({ } _ { 0 } ^ { 1 } \mathrm { n } + { } _ { 90 } ^ { 232 } \mathrm { Th } \rightarrow { } _ { 90 } ^ { 233 } \mathrm { Th }\)
• C) \({ } _ { 90 } ^ { 232 } \mathrm { Th } \rightarrow { } _ { + 1 } ^ { 0 } \mathrm { e } + { } _ { 89 } ^ { 232 } \mathrm { Ac }\)
• D) \({ } _ { 90 } ^ { 232 } \mathrm { Th } \rightarrow { } _ { 2 } ^ { 4 } \mathrm { He } + { } _ { 88 } ^ { 228 } \mathrm { Ra }\)
• E) \({ } _ { 90 } ^ { 232 } \mathrm { Th } \rightarrow { } _ { - 1 } ^ { 0 } \mathrm { e } + { } _ { 91 } ^ { 232 } \mathrm {~Pa}\)

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Definitions:

Control Series Design

An experimental design that involves comparing data from a series of observations before and after the implementation of some intervention or treatment.

Interrupted Time Series Design

A quasi-experimental design in which observations are made over time both before and after an intervention.

Quasi-experimental Design

An empirical study used to estimate the causal impact of an intervention, lacking random assignment.

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