John enjoys watching crime shows and his best subject in school is chemistry. what might be a good caree for him to explore

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

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.