<span>The periodic law states that the physical and chemical properties of elements are periodic functions of their "Atomic Numbers"
So, option B is your answer.
Hope this helps!
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Usually it is the CuSO4 that is the limiting reagent.
<span>if all of the color of the solution was gone, but there was still some zinc metal mixed in with the copper metal produced, then Zn is the excess reagent </span>
<span>f all of the color of the solution was not gone, but there was no zinc metal left in with the blue copper solution , then Zn is the limiting reagent Hope this helps.</span>
The answers is A. Reales energy stored in chemical bonds
