HELP DUE IN 1 HOUR What group is Fluorine in? What period is it in? How many energy levels will it have? How many electrons will be found in its outermost shell?

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why is arctic sea ice important? arctic sea ice keeps the polar regions cool and moderate global climate. sea ice has a bright surface; 80 percent of the sunlight that strikes it is reflected back into space. as sea ice melts in the summer, it exposes the dark ocean surface.

10 years is the answer