why would a guy date me for 2 month then when i break up with him because i dont think he likes me anymore he gets with my best friends not even two weeks later

How does litmus paper indicate an acid?

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

Consider this initial-rate data at a certain temperature for the reaction described by