Please help is it balanced or not and show me how you got it please I need this fast.

Why are the trends and exceptions to the trends in ionization energy observed?

At room temperature what happens to the average kinetic energy of the molecules of a solid, liquid, and a gas

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.