If the (h+) is 2.1 x 10-12 m hclo4, what is the ph?

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

How to convert a density of 0.791g/cm3 to lb/ft3

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature