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
The stomach. Longitudinal view showing regions and internal structures.
Image of Brain Structures
Structures of the fingernail.
The structures thought to mediate the sympathetic and behavioral responses conditioned to an ...
Types of Bacteria
Humor (Fluid Types)