7. Which of the following elements is diatomic?
Mg
Mn
Sn
F

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

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.