又添4种元素！你的元素周期表又要更新了哦！
<p><span word="Get">Get</span> <span word="ready">ready</span> <span word="to">to</span> <span word="ring">ring</span> <span word="in">in</span> 2017 <span word="with">with</span> <span word="a">a</span> <span word="brand">brand</span> <span word="new">new</span> <span word="Periodic">Periodic</span> <span word="Table">Table</span>, <span word="because">because</span> <span word="four">four</span> <span word="more">more</span> <span word="elements">elements</span> <span word="have">have</span> <span word="officially">officially</span> <span word="been">been</span> <span word="added">added</span> <span word="to">to</span> <span word="the">the</span> <span word="seventh">seventh</span> <span word="row">row</span>: <span word="nihonium">nihonium</span> (<span word="Nh">Nh</span>), <span word="moscovium">moscovium</span> (<span word="Mc">Mc</span>), <span word="tennessine">tennessine</span> (<span word="Ts">Ts</span>), <span word="and">and</span> <span word="oganesson">oganesson</span> (<span word="Og">Og</span>).</p><p>做好准备吧！2017年你将面对周边全新的元素周期表，因为又有4种元素正式加入第7行了：<span word="nihonium">nihonium</span>（<span word="Nh">Nh</span>）、<span word="moscovium">moscovium</span>（<span word="Mc">Mc</span>）、<span word="tennessine">tennessine</span>（<span word="Ts">Ts</span>）、<span word="oganesson">oganesson</span>（<span word="Og">Og</span>）。</p><p><span word="We">We</span>'<span word="ve">ve</span> <span word="been">been</span> <span word="hearing">hearing</span> <span word="about">about</span> <span word="these">these</span> <span word="four">four</span> <span word="new">new</span> <span word="elements">elements</span> <span word="since">since</span> <span word="January">January</span>, <span word="but">but</span> <span word="the">the</span> <span word="International">International</span> <span word="Union">Union</span> <span word="of">of</span> <span word="Pure">Pure</span> <span word="and">and</span> <span word="Applied">Applied</span> <span word="Chemistry">Chemistry</span> (<span word="IUPAC">IUPAC</span>) <span word="has">has</span> <span word="finally">finally</span> <span word="announced">announced</span> <span word="that">that</span> <span word="the">the</span> <span word="names">names</span> <span word="have">have</span> <span word="been">been</span> <span word="officially">officially</span> <span word="approved">approved</span>, <span word="so">so</span> <span word="we">we</span>'<span word="ve">ve</span> <span word="got">got</span> <span word="the">the</span> <span word="go">go</span>-<span word="ahead">ahead</span> <span word="to">to</span> <span word="tear">tear</span> <span word="down">down</span> <span word="all">all</span> <span word="our">our</span> <span word="posters">posters</span> <span word="and">and</span> <span word="find">find</span> <span word="some">some</span> <span word="new">new</span> <span word="ones">ones</span>.</p><p>从今年一月份我们就听说过这4种新元素了，但国际理论（化学）与应用化学联合会（<span word="IUPAC">IUPAC</span>）终于宣布了正式批准其命名，有了公告，我们就可以撕下所有周期表贴图再找些新的换上了。</p>
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