On the graph, indicate the average kinetic energy of the population. Explain your answer.

What part of the graph indicates the temperature of the sample?

Explain your answer.

Of the groups of elements below, which are most likely to gain electrons to become anions? a. alkali metal b. boron group c. halogen d. transition metal

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change

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.