[DOC] [TLE] Abundance of the chemical elements - Wikipedia [PAR] The abundance of a chemical element is a measure of the occurrence of the 
element relative to .... Hydrogen is the most abundant element in the Universe; 
helium is second. .... The mass-abundance of the nine most abundant elements 
in the Earth's crust is approximately: oxygen 46%, silicon 28%, aluminum 8.2%, 
iron... [DOC] [TLE] Element Abundance in Earth's Crust - HyperPhysics [PAR] Given the abundance of oxygen and silicon in the crust, it should not be 
surprising that the most abundant minerals in the earth's crust are the silicates. 
Although... [DOC] [TLE] Elements in the Earth's Crust - Windows to the Universe [PAR] The 8 most common elements in Earth's crust (by mass): ... Together, the 
elements oxygen and silicon make up most of the Earth's crust including silicate... [DOC] [TLE] Chemistry of Life - Teach Astronomy [PAR] All known living things are composed of one or more cells, which in turn ... of 
biological material with the ten most common elements in the Earth's crust ... 46% 
Oxygen ... The large amount of hydrogen and oxygen in living organisms (and its 
ratio of ... Helium is the second most abundant element in the universe yet it 
cannot... [DOC] [TLE] What is the most abundant chemical element found on Earth? - Quora [PAR] Jun 20, 2016 ... Iron. It's mostly inside the earth in the core, but it is the most common. Oxygen is 
next ... That's why there is so much more silicon and aluminum in the crust. ... In 
bulk, by mass, it is composed mostly of iron (32.1%), oxygen (30.1%), silicon (
15.1%), ... What is the second most abundant element on Earth? [DOC] [TLE] What is the most abundant chemical element found on Earth? - Quora [PAR] Iron. It's mostly inside the earth in the core, but it is the most common. Oxygen is 
next, followed ... In bulk, by mass, it is composed mostly of iron (32.1%), oxygen (
30.1%), ... Silicon is second, making up 28%, followed by aluminum (8%), iron (5
%), ... it is interesting to note that the most abundant metal in the Earth's crust is... [DOC] [TLE] Building Inorganic Compounds - Chemistry Land [PAR] Jan 9, 2011 ... Oxygen 46% Silicon 28% ... Silicon is the second most common, so it's not 
surprising that silicon bonded with ... Aluminum is the third most common element 
in Earth's crust, so you would expect aluminum and oxygen to bond... [DOC] [TLE] Chemistry - Ray Sahelian, M.D. [PAR] Air consists of 78% nitrogen, 21% oxygen and about 1% the noble gas Argon ... 
Aluminum tin foil most abundant metal on Earth, when it was discovered in 1820 
it was .... silicon the second most abundant element in the Earth's crust (about 28
% by .... Earth. Crust , 46% oxygen, 28% silicon, then aluminum. Under the 
oceans... [DOC] [TLE] Calcium Is The Most Abundant - Tablets - Emerald [PAR] Jul 9, 2016 ... Calcium is the 5th most abundant element in the Earth's crust,. ... The arthropod 
body plan consists of segments, each with a pair 19 radioisotopes ... main article 
above is approximately: oxygen 46%, silicon 28%, aluminum 8.2%, ... helium and 
oxygen and is the second most abundant element in the human... [DOC] [TLE] which is the most abundant element on earth's surface & universe ... [PAR] Jan 11, 2008 ... In the earth's crust, oxygen is the most abundant element (46% by mass), and 
silicon is second (28% by mass). ... In the earth's atmosphere, nitrogen is most 
abundant and oxygen second. ... We now know that most of the matter in the 
universe is "dark matter", but nobody yet knows what that consists of. [DOC] [TLE] Three most abundant elements in earth's lithosphere

Question: The Earth's crust consists of about 46% oxygen; this element is second most abundant at about 28%
Answer: silicon