問題詳情

4.Which of the following formulas would be expected for a compound between arsenic and fluorine?
(A)AsF4 
(B)AsF3 
(C)AsF2 
(D)AsF

參考答案

答案:B
難度:適中0.516129
統計:A(3),B(16),C(5),D(4),E(0)