chem 10

most important commercial method of preparing hydrogen in the U.S.

method for preparing very pure hydrogen

addition of hydrogen to double or triple bonds

primary use of hydrogen

a survey of the chemical sand processes that are important to our daily lives

simplest element, also the most abundant element in the universe

what is the oxide of sand

forms of the same element that differ in their properties but exist in the same physical state

how is oxygen most often prepared commercially

the process in which plants use energy from sunlight to convert CO2 and H2O into O2 and carbohydrates

how can O2 be prepared in a laboratory

what has a O 2- ion

what has a O2 2- ion

what has a O2 - ion

the process of an organism converting atmospheric nitrogen to a form that can be used by plants

what is the process used to synthesize ammonia commercially

tenth most abundant element in the universe

two allotropes of phosphorus

transparent, waxy, crystalline solid composed of discrete, tetrahedral P4 molecules

more stable and appears to be polymeric

how is phosphorus commercially prepared

major use of phosphorus

phosphorus toxic to insects

most important uses of sulfur

PTFE

what is too reactive to be found naturally in their free state

what is the most reactive of any element

special chemicals used in air conditioners,...

what chlorine adds to double bonds thereby producing single bonds and a removal of some or all of the undesired color