Question

现将常见的一些元素编三句话，请把元素符号写在各元素名称后面的空格上：

碳________；氢________；氧________；氮________；氯________；硫________；磷________；钾________；钙________；钠________；镁________；铝________；铁________；锌________；硅________；氟________；钡________；锰________；铜________；汞________；银________．

Answer 1

答案：C,H,O,N,Cl,S,P,K,Ca,Na,Mg,Al,Fe,Zn,Si,F,Ba,Mn,Cu,Hg,Ag