Which inner planet is the largest?

a) venus

b) earth

c) mars

d) mercury

__can be defined as which velocity changes

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

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.