Saturday, July 21, 2012

chemistry


 Answers to be included in next post 

Which substance is produced by the Haber process?

A. Aluminum
B. Ammonium
C. Nitric acid
D. Sulfuric acid

 What is the total number of moles of hydrogen atoms contained in one mole of (NH4)2C2O2? 

A. 6
B. 2
C. 8
D. 8
E. 4

 The observed regularities in the properties of elements are periodic functions of their 

A. Atomic numbers
B. Mass numbers
C. Oxidation states
D. Nonvalence electrons

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