Suppose that starting with ${ } _ { 89 } ^ { 227 }$, the following sequence of decays occurs: first an alpha decay, then a beta-minus decay, and finally another alpha decay. What isotope is left after each one of the decays?

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The Answer of Suppose that starting with ${ } _ { 89 } ^ { 227 }$, the following sequence of decays occurs: first an alpha decay, then a beta-minus decay, and finally another alpha decay. What isotope is left after each one of the decays?

Suppose That Starting With 89227{ } _ { 89 } ^ { 227 }89227​

Suppose That Starting With ${ } _ { 89 } ^ { 227 }$