it's c. elements are placed in rows based on how may valencies electrons have.
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"record the time to complete a chemical reaction" would most likely be part of a lab procedure.
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so what is the problem with your lab report and whats the subject of the lab report? i will you
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the answer is d.) potassium
Another question on Chemistry
Chemistry, 22.06.2019 20:00
Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line
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