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Author Question: Which element is a very good conductor of electricity? A) oxygen B) bromine C) selenium D) ... (Read 19 times)

Zulu123

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on: Aug 27, 2018
Which element is a very good conductor of electricity?
 
  A) oxygen
  B) bromine
  C) selenium
  D) gold

Question 2

Which of the following elements may have more than one oxidation number?
 
  A) hydrogen
  B) sodium
  C) calcium
  D) lithium


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Leostella20

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

D

Answer to Question 2

A


Zulu123

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Reply 2 on: Aug 27, 2018
Gracias!

vickybb89

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Reply 3 on: Yesterday
Excellent

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