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
Types of transporters based on the direction of transport.
The ear and its anatomic structures.
Types and Locations of Connective Tissue.
Types of Bacteria
Major Structures of the Eye
Major Structures of the Eye