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Author Question: What is the oxidation number of Ni in Ni(CN)42-? A) +2 B) +1 C) 0 D) +3 E) ... (Read 17 times)

folubunmi

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What is the oxidation number of Ni in Ni(CN)42-?
 
  A) +2
  B) +1
  C) 0
  D) +3
  E) +4

Question 2

What is the term for a characteristic of a substance that can be observed without changing its
  chemical formula?
 
  A) atomic property
  B) chemical property
  C) molecular property
  D) physical property
  E) none of the above



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yifu223

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Answer to Question 1

A

Answer to Question 2

D)




yifu223

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