元素周期表的前二十位是什么?初中是不是要背“氢氦锂铍;硼碳氮氧;氟氖钠镁;铝硅磷硫;氯氩钾钙” 这20个就OK了?请回答,
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![元素周期表的前二十位是什么?初中是不是要背“氢氦锂铍;硼碳氮氧;氟氖钠镁;铝硅磷硫;氯氩钾钙” 这20个就OK了?请回答,](/uploads/image/z/3385082-2-2.jpg?t=%E5%85%83%E7%B4%A0%E5%91%A8%E6%9C%9F%E8%A1%A8%E7%9A%84%E5%89%8D%E4%BA%8C%E5%8D%81%E4%BD%8D%E6%98%AF%E4%BB%80%E4%B9%88%3F%E5%88%9D%E4%B8%AD%E6%98%AF%E4%B8%8D%E6%98%AF%E8%A6%81%E8%83%8C%E2%80%9C%E6%B0%A2%E6%B0%A6%E9%94%82%E9%93%8D%EF%BC%9B%E7%A1%BC%E7%A2%B3%E6%B0%AE%E6%B0%A7%EF%BC%9B%E6%B0%9F%E6%B0%96%E9%92%A0%E9%95%81%EF%BC%9B%E9%93%9D%E7%A1%85%E7%A3%B7%E7%A1%AB%EF%BC%9B%E6%B0%AF%E6%B0%A9%E9%92%BE%E9%92%99%E2%80%9D+%E8%BF%9920%E4%B8%AA%E5%B0%B1OK%E4%BA%86%3F%E8%AF%B7%E5%9B%9E%E7%AD%94%2C)
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