I believe a possible Lewis dot structure that does not obey the octet rule, where all elements are required to have 8 electrons in their outermost shell, would be the SF4 molecule.
Sulfur can contain an more than 8 electrons, in this molecule and thus has an expanded octet.
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A Spring is an area where groundwater naturally comes to the earth's surface.
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Answer:
electrolyte the others either describe a process, the opposite, or a whole different thing
The bicarbonate turning into carbonate makes this a chemical change. This is reducing the atom into a new chemical.
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