How many different types of resonance structures can be drawn for ...

[sammy]

How many different types of resonance structures can be drawn for the ion SO32- where all atoms satisfy the octet rule?
 
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5

Question 2

The pH of an aqueous solution at 25.0 C is 10.55. What is the molarity of H+ in this solution?
 
  A) 2.8  10-11
  B) 3.5  10-4
  C) 3.45
  D) 1.1  10-13
  E) 3.5  1010

Question 3

Electromagnetic radiation with a wavelength of 640 nm appears as orange light to the human eye. The frequency of this light is ________ s-1.
 
  A) 4.688  1014
  B) 4.688  105
  C) 1.920  102
  D) 1.920  1011
  E) 2.133  10-15

[jojobee318]

Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

A