Answer:
Explanation:
In chemistry, pH power of hydrogen or potential for hydrogen) is a scale used to specify how acidic or basic (or alkaline) a water-based solution is. Acidic solutions have a lower pH, while basic solutions have a higher pH.
Hey buddy the answer is Chlorine ..
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I think the 1st pic, the 2nd one, and the 3rd one.
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Potential energy
A its a step by step equation the answer is A
