Description : The whitest element compound known is?
Last Answer : Titanium
Description : Largest single constituent of earth's at- mosphere?
Last Answer : Nitrogen compound
Description : The most abundant rare gas in the at- mosphere is?
Last Answer : Ar
Description : The percentage of Carbon dioxide in at- mosphere?
Last Answer : 0.03%
Description : The most abundant element in the at- mosphere?
Last Answer : Nitrogen
Description : Most abundant compound on earth's sur- face?
Last Answer : Water (H20)
Description : Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon
Last Answer : ANSWER: X -- COPPER