radia&ccedil;&atilde;o alfa e um elemento qu&iacute;mico de Z=92

radia&ccedil;&atilde;o gama e radia&ccedil;&atilde;o alfa&nbsp;

radia&ccedil;&atilde;o alfa e um elemento qu&iacute;mico de Z=85

radia&ccedil;&atilde;o beta e um elemento qu&iacute;mico de Z=222

radia&ccedil;&atilde;o alfa e radia&ccedil;&atilde;o alfa

Engenharia

Considerando as rea&ccedil;&otilde;es nucleares abaixo,

<img alt="large U subscript 92 superscript 238 rightwards arrow large T h subscript 90 superscript 234 plus X
Y plus X rightwards arrow R a subscript 88 superscript 226 plus beta subscript negative 1 end subscript superscript 0" class="Wirisformula" data-mathml="«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«msubsup»«mo largeop=¨true¨»U«/mo»«mn»92«/mn»«mn»238«/mn»«/msubsup»«mo»§#8594;«/mo»«mo largeop=¨true¨»T«/mo»«msubsup»«mi»h«/mi»«mn»90«/mn»«mn»234«/mn»«/msubsup»«mo»+«/mo»«mi»X«/mi»«mspace linebreak=¨newline¨/»«mi»Y«/mi»«mo»+«/mo»«mi»X«/mi»«mo»§#8594;«/mo»«mi»R«/mi»«msubsup»«mi»a«/mi»«mn»88«/mn»«mn»226«/mn»«/msubsup»«mo»+«/mo»«msubsup»«mi»§#946;«/mi»«mrow»«mo»-«/mo»«mn»1«/mn»«/mrow»«mn»0«/mn»«/msubsup»«/math»" src="https://cdn.mesalva.com/uploads/cache/29765eefb1326ccce74b5145aaa5ca83.png" style="line-height:27.7333316802979px" />

&Eacute; correto afirmar que X e Y s&atilde;o respectivamente

Questão

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