Whats the effect? A wave enters a new medium perpendicular to the boundary between the two media.

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

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Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons