Explain, in terms of subatomic particles, why the radius of a chloride ion is larger than the radius of a chlorine atom.

Why does his teacher ask him to balance the equation by including the correct coefficient

In 2002, the rare earth elements mine in mountain pass, california was closed because

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.