Chemical changes_. do not change the properties of substances
increase the mass of a substance
alter the phase, or state, of matter
affect the chemical structure of a substance

Matches the chemical name of each oxide of phosphorus to its chemical formula

How many moles of al3+ ions are in 1.25 moles of al2o3

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