The elements that do not ordinarily form compounds are

a.

elements in the carbon family.

b.

metals.

c.

halogens.

d.

noble gases.

__can be defined as which velocity changes

What is the lowest number energy level where a d sublevel is found

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.