The h^1- ion is classified as a( and has
a. anion, 1 valence electron
b. anion, 2 valence electrons
c. cation, 2 valence electrons
d. cation, 0 valence electrons

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.