Models of Bonding & Structure B.3 The Metallic Model (id: b39c1d3ef)

本题目来源于试卷: Models of Bonding & Structure B.3 The Metallic Model，类别为 IB化学

[填空题]
The oxides of two period 3 elements, i3yb*irmb 7c 8X and Y, react ne9c/4c7vw qmin water according to the equations be/emqvwn7 9 cc4low.
I. $XO_{2(s})$ + $H_2O_{l}$→$H_2XO_{3(aq)}$
II. $YO_{2(s})$ + $H_2O_{l}$→$Y(OH)_{2(aq)}$
1.Identify elements X and Y. Element X is   ;Element Y is   .
2.Predict whether element X or Y would have a higher melting point. Element  ----待选择----XY  will have a higher melting point than element  ----待选择----XY 

参考答案:
空格1: sulfur  空格2: magnesium  空格3: Y  空格4: X 


本题详细解析:

微信扫一扫，分享更方便