From the Greek for "acid former", this gas is the most abundant element in the earth's crust
Oxygen is the most common element in the earth's crust and makes up about ... 
Named from the Greek oxys + genes, "acid-former", oxygen was ... Scheele came 
to find that the hot manganese oxide produced a gas which he... [DOC] [TLE] Element: Oxygen [PAR] Colour: colourless as a gas, liquid is pale blue Classification: Non-metallic ... after 
Priestley's publication in 1775, from Greek roots meaning "acid-former".