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BARSIC [14]
3 years ago
10

How do the atomic number and the

Chemistry
1 answer:
Tomtit [17]3 years ago
4 0

Answer:

It's the first option.

Explanation:

The atomic number tells us the number of protons in the nucleus of an atom.

It is the number which identifies an atom.

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avanturin [10]

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When the pipe originally held the "all full" volume and the the water expanded, it put a tremendous amount of pressure on the pipe. Enough pressure and the pipe would burst.

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DanielleElmas [232]
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Given the balanced ionic equation representing the reaction in an operating voltaic cell: zn(s) + cu2+(aq) → zn2+(aq) + cu(s) th
soldi70 [24.7K]

Answer: from the Zn anode to the Cu cathode


Justification:


1) The reaction given is: Zn(s) + Cu₂⁺ (aq) -> Zn²⁺ (aq) +Cu(s)


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3) Then, you can already tell that electrons go from Zn to Cu.


4) The plate where oxidation occurs is called anode, and the plate where reduction occus is called cathode.


So you get that the electrons flow from the anode (Zn) to the cathode (Cu).


Always oxidation occurs at the anode, and reduction occurs at the cathode.

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