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href="/question?tree_type=category&xd=3&chid=6" class="pointer">高中物理</a> <span>/</span> <a href="javascript:;">單選題</a> </div> <div id="8acbzas" class="m-wrap g-cw cfx"> <div id="mi3abaa" class="w fl"> <div id="xug7ffu" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="q5v2icg" class="question-block"> <div id="y313kn3" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5196588.shtml" class="ques-origin a-pointer" target="_blank"> (2023高一下·賀蘭期末) </a> 某放射性元素的原子核<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EZ%3C%2Fmi%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EM%3C%2Fmi%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3Cmtext%3EX%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">連續(xù)經(jīng)過三次α衰變和兩次β衰變，若最后變成另外一種元素的原子核Y，則該新核的正確寫法是（　　） </h1> <div id="alxyh3p" class="exam-s"> <span id="yjoq96a" class="op-item"><span id="didnkpb" class="op-item-nut">A . </span><span id="nfjfism" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EZ%3C%2Fmi%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EM%3C%2Fmi%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmn%3E4%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3Cmtext%3EY%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="n3h3hwj" class="op-item"><span id="hdvlcif" class="op-item-nut">B . </span><span id="wthbbyv" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EZ%3C%2Fmi%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmn%3E6%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EM%3C%2Fmi%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmn%3E4%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3Cmtext%3EY%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="xkysspo" class="op-item"><span id="ckezjpm" class="op-item-nut">C . </span><span id="mt9nobb" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EZ%3C%2Fmi%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmn%3E6%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EM%3C%2Fmi%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3Cmtext%3EY%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> <span id="60e1i8a" class="op-item"><span id="tzv0zlx" class="op-item-nut">D . </span><span id="dmfdcex" class="op-item-meat"><img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EZ%3C%2Fmi%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmn%3E4%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmi%3EM%3C%2Fmi%3E%3Cmo%3E%E2%88%92%3C%2Fmo%3E%3Cmn%3E1%3C%2Fmn%3E%3Cmn%3E2%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3Cmtext%3EY%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;"></span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="xqfii0z" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="lzorse5" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=54689819" width="140px" height="140px" alt=""> <p style="text-align:center;margin-top: 10px">微信掃碼預(yù)覽、分享更方便</p> </div> <div id="qd1xfb6" class="analyize-extend JV_question__papers"> </div>  <div 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