Answer:
I think the answer is A) repeatedly testing the solubility at various temperatures
Explanation:
Simple,
take a look at your periodic table, if you have it labeled look at the Halogen
Group, it includes: Flourine, Chlorine, Bromine, Iodine, and Astatine.
Now, a period on the periodic table is read from left to right, and goes
down the rows of the periodic table.
Go to Period 5, go all the way to the Halogens, what is there?
Iodine.
Thus, your answer.
Answer:
B. The coefficients give the molar ration of the reactants
Explanation:
