It is A)The smallest unit of Ne
Yes their will be a reaction what happens is chlorine displaces iodine from its aqueous solution since it is a more powerful oxidizing agent.
C12(aq) + 2KI(aq) = 2KCI(aq) + I2(aq)
In a chemical change, the molecules in the reactants interact to form new substances. In a physical change, like a state change or dissolving, no new substance is formed.
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