Multiple Choice
Each of the pictures (a) -(d) represents one of the following substances at 25°C: potassium,fluorine,iodine,potassium fluoride,not necessarily in that order. 
-Which picture corresponds to fluorine?
A) picture (a)
B) picture (b)
C) picture (c)
D) picture (d)
Correct Answer:
Verified
Correct Answer:
Verified
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