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6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.
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The image below shows a weather service map.. i’m not sure if is correct
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If you have 5 protons, 6 neutrons, and 5 electrons, what would the symbol look like?
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