Can someone please explain to me why in chemistry it matters what numbers we put next to the four-quadrant numbers for the electron configuration?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

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.