Author Question: The disilicate ion is ________. A) Si2O88- B) Si2O76- C) Si2O84- D) Si2O86- E) ... (Read 15 times)

JMatthes

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The disilicate ion is ________.
 
  A) Si2O88-
  B) Si2O76-
  C) Si2O84-
  D) Si2O86-
  E) Si2O72-

Question 2

Which transformation could take place at the cathode of an electrochemical cell?
 
  A) MnO2  MnO4-
  B) Br2  BrO3-
  C) NO  HNO2
  D) HSO4-  H2SO3
  E) Mn2+  MnO4-

Question 3

Potassium metal crystallizes in a body-centered cubic structure with a unit cell edge length of 5.31 . The radius of a potassium atom is ________ .
 
  A) 1.33
  B) 1.88
  C) 2.30
  D) 2.66
  E) 5.31


Zack0mack0101@yahoo.com

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Answer to Question 1

B

Answer to Question 2

D

Answer to Question 3

C



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