Models of Matter A.2 The Nuclear Atom (id: 7cd788de2)

本题目来源于试卷: Models of Matter A.2 The Nuclear Atom，类别为 IB化学

[填空题]
The atom of element X has a mass njzk. 1lv-, f rdg1zv0wumber of mbb3 :cpms1u .127 and has 74 neutrons. The ion derived from X has .b:u3 bmp1csm 54 electrons.

1.Calculate the number of protons of element X.  
2.State the nuclear symbol of the ion formed (refer to the periodic table).
3.An isotope of X has a mass number of 132. Determine the number of neutrons in its atom.  neutrons

参考答案:
空格1: 53  空格2: 79 


本题详细解析:

微信扫一扫，分享更方便