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Author Question: The use of performance enhancing drugs has resulted in drug screening at major sports events, such ... (Read 109 times)

Kthamas

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on: Aug 27, 2018
The use of performance enhancing drugs has resulted in drug screening at major sports events, such as the Olympics.
 
  Indicate whether the statement is true or false

Question 2

The lanthanide contraction is responsible for the fact that ________.
 
  A) Zr and Y have about the same radius
  B) Zr and Nb have similar oxidation states
  C) Zr and Hf have about the same radius
  D) Zr and Zn have similar oxidation states
  E) Zr and Hf have the same oxidation states


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covalentbond

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Reply #1 on: Aug 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

C


Kthamas

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Reply 2 on: Aug 27, 2018
Gracias!

pratush dev

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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