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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="lz3jnrj" class="m-wrap g-cw cfx"> <div id="lqdskov" class="w fl"> <div id="5wi6bwk" class="g-mn2"> <ul id="J_question_detail" > <li> <div id="1qncnf4" class="question-block"> <div id="ivsy6kj" class="q-mc"> <h1 class="q-tit"> 1. <a href="/paper/view-5346613.shtml" class="ques-origin a-pointer" target="_blank"> (2024·廣西) </a> 近期，我國科研人員首次合成了新核素鋨<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmtext%3E-%3C%2Fmtext%3E%3Cmtext%3E1%3C%2Fmtext%3E%3Cmtext%3E6%3C%2Fmtext%3E%3Cmtext%3E0%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">（<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%3Cmtext%3E7%3C%2Fmtext%3E%3Cmtext%3E6%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmtext%3E1%3C%2Fmtext%3E%3Cmtext%3E6%3C%2Fmtext%3E%3Cmtext%3E0%3C%2Fmtext%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3Cmtext%3EO%3C%2Fmtext%3E%3Cmtext%3Es%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">）和鎢<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmtext%3E-%3C%2Fmtext%3E%3Cmtext%3E1%3C%2Fmtext%3E%3Cmtext%3E5%3C%2Fmtext%3E%3Cmtext%3E6%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">（<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%3Cmtext%3E7%3C%2Fmtext%3E%3Cmtext%3E4%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmtext%3E1%3C%2Fmtext%3E%3Cmtext%3E5%3C%2Fmtext%3E%3Cmtext%3E6%3C%2Fmtext%3E%3C%2Fmrow%3E%3C%2Fmsubsup%3E%3Cmtext%3EW%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">）。若鋨<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmtext%3E-%3C%2Fmtext%3E%3Cmtext%3E1%3C%2Fmtext%3E%3Cmtext%3E6%3C%2Fmtext%3E%3Cmtext%3E0%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">經(jīng)過1次<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmtext%3E%CE%B1%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">衰變，鎢<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmtext%3E-%3C%2Fmtext%3E%3Cmtext%3E1%3C%2Fmtext%3E%3Cmtext%3E5%3C%2Fmtext%3E%3Cmtext%3E6%3C%2Fmtext%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">經(jīng)過1次<img class="mathml" src="http://math.21cnjy.com/MathMLToImage?mml=%3Cmath+xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F1998%2FMath%2FMathML%22%3E%3Cmsup%3E%3Cmrow%3E%3Cmtext%3E%CE%B2%3C%2Fmtext%3E%3C%2Fmrow%3E%3Cmrow%3E%3Cmtext%3E%2B%3C%2Fmtext%3E%3C%2Fmrow%3E%3C%2Fmsup%3E%3C%2Fmath%3E" style="max-width:100%;vertical-align: middle;">衰變（放出一個(gè)正電子），則上述兩新核素衰變后的新核有相同的（　?。? </h1> <div id="o6tw8mj" class="exam-s"> <span id="cndygys" class="op-item"><span id="qlgupku" class="op-item-nut">A . </span><span id="os6fkjv" class="op-item-meat">電荷數(shù)</span></span> <span id="kxmecpo" class="op-item"><span id="aebsmxd" class="op-item-nut">B . </span><span id="u2j69px" class="op-item-meat">中子數(shù)</span></span> <span id="ixynge1" class="op-item"><span id="wdqbim6" class="op-item-nut">C . </span><span id="g06nhrc" class="op-item-meat">質(zhì)量數(shù)</span></span> <span id="bws8bos" class="op-item"><span id="cgdgywj" class="op-item-nut">D . </span><span id="2gvmodb" class="op-item-meat">質(zhì)子數(shù)</span></span> </div> </div> </div> </li> </ul> <div style="height:20px;background-color: #fff;margin-top:1px"></div>  <div class="521igh2" id="J_ConnectQuestionsdBox"> </div> </div> </div> <div id="dkfrskz" class="g-sd2">  <div style="background:#fff;padding:20px 0;margin-bottom:20px;text-align:center;"> <img src="/question/paper-qrcode?id=57818161" 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="7t8ivg0" 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 href="/paper/view-5346613.shtml" target="_blank" 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