Monday, May 24, 2010

Molecular compounds are usually ___?

A composed of two or more nonmetallic elements


B exceptions to the law of definite proportions


C composed of two or more transition elements


D composed of positive and negative ions











Which of the following compounds contains the lead II ion


A pb2O


B PbCl4


C PbO


D Pb2S

Molecular compounds are usually ___?
A





C
Reply:1 - A.


2 - C.


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