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id="vwfuaz6" class="w fl"> <div id="fxdmhjr" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="x7yqafl" class="question-block"> <div id="rag21b0" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5156792.shtml" class="ques-origin a-pointer" target="_blank"> (2023高三下·河南模擬) </a> 重元素放射性衰變的Np237系列（從<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E93%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E237%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Np開始到穩(wěn)定的<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E83%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E209%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Bi為止）在自然界一直沒有被發(fā)現(xiàn)，只是在人工制造出Np237后才發(fā)現(xiàn)的，關(guān)于該衰變系列，下列說法正確的是（　?。? </h1> <div id="xvz528i" class="exam-s"> <span id="hiznhbx" class="op-item"><span id="6iebzzk" class="op-item-nut">A . </span><span id="acomjd1" 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%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E93%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E237%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Np比<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E83%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E209%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Bi多20個(gè)中子</span></span> <span id="tmjiaxd" class="op-item"><span id="kihkovw" class="op-item-nut">B . </span><span id="ldxgq2h" 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%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E93%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E237%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Np比<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E83%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E209%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Bi的比結(jié)合能大</span></span> <span id="fbmvccv" class="op-item"><span id="7p3blfb" class="op-item-nut">C . </span><span id="csat1uh" class="op-item-meat">從<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E93%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E237%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Np到<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E83%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E209%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Bi，共發(fā)生5次α衰變</span></span> <span id="x3zlvhf" class="op-item"><span id="bqxqrth" class="op-item-nut">D . </span><span id="d67vuuo" class="op-item-meat">從<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E93%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E237%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Np到<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmrow%3E%3Cmsubsup%3E%3Cmrow%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E83%3C%2Fmn%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmn%3E209%3C%2Fmn%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3C%2Fmrow%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">Bi，共有4個(gè)中子轉(zhuǎn)變?yōu)橘|(zhì)子</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="4ozoikg" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="pwagysv" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=53590525" 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="vtdv2qs" class="analyize-extend JV_question__papers"> <h3 class="extend-mt">使用過本題的試卷</h3> <ul class="extend-mc"> <li> <a 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