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Author Question: Perhaps the greatest triumph of Mendeleev's periodic table was A) the use of rows and columns to ... (Read 126 times)

moongchi

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Perhaps the greatest triumph of Mendeleev's periodic table was
 
  A) the use of rows and columns to organize the elements.
  B) the ability to predict electron configurations of elements.
  C) the use of atomic numbers as an organizing criterion.
  D) the prediction of the existence of undiscovered elements.

Question 2

Which contains more carbon?
 
  A) 24 g methane
  B) 140 g sodium carbonate
  C) 40 g carbon monoxide
  D) 15 g octane, C8H18



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fffftttt

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Answer to Question 1

D

Answer to Question 2

A




moongchi

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Reply 2 on: Aug 27, 2018
:D TYSM


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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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