In what order are the regions arranged on the periodic table when you read it from left to right? a. metalloids, metals, nonmetals, noble gases b. nonmetals, noble gases, metals, metalloids c. metals, metalloids, nonmetals, noble gases d. noble gases, metals, nonmetals, metalloids

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?

Particles vibrate in a rigid structure and do not move relative to their neighbors.

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.