Two new elements were discovered element X was placed in group VIA and element Y was placed in group VIIA. Together they formed XY4. The compound has total valence electrons and electron geometry plus molecular geometry and when its polarity was tested, it was determined that the compound is .

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?