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The Comparative Abundance Of The Elements - Online Term Paper

The Comparative Abundance Of The Elements

- There are 92 naturally occurring elements, only 17 of them make up 99.5% of
the earth's crust (including oceans and atmosphere). - In living things (plants,
animals, people) the six most abundant elements are carbon, hydrogen, oxygen,
nitrogen, phosphorus and sulfur. - The universe is dominated by the elements
hydrogen (83%) and helium (16%)

1. The Crust

The outside of the earth is a thin crust which is approximately 20 to 40km
thick. The crust is a formation of dips and hollows which are filled with water
to form the oceans and seas. On top of the earth's crust is an atmosphere, this
is a thin layer of gases, 95% of these gases are within the first 20km of the
earth's surface. ...

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the
most abundant due to the fact that the abundance of the other elements of the
crust are too low to graph accurately on one graph.
Almost all elements are found as compounds, however Oxygen, Nitrogen,
and to a lesser extent sulfur, gold, silver and platinum are the only elements
which can be found in almost there raw sate. The atmosphere contains Oxygen and
nitrogen, but it only contains a small portion of the earth's oxygen, this is
because most of the world's oxygen is found in water, oxides of metals, and as
silicates. Common soils and clays are silicates.

2. Living Things

In living things (plants, animals, people) the six most abundant elements
are carbon, hydrogen, oxygen, nitrogen, phosphorus and sulfur (known as CHONPS).
Most compounds in living matter are radically complex, each molecule could
contain hundreds or thousand's of atoms. Carbohydrates and fats are compounds
which contain carbon, hydrogen and oxygen only. Proteins are also compounds and
they contain ...

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The Comparative Abundance Of The Elements. (2006, March 1). Retrieved April 27, 2024, from http://www.essayworld.com/essays/The-Comparative-Abundance-Of-The-Elements/42030

"The Comparative Abundance Of The Elements." Essayworld.com. Essayworld.com, 1 Mar. 2006. Web. 27 Apr. 2024. <http://www.essayworld.com/essays/The-Comparative-Abundance-Of-The-Elements/42030>

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PAPER DETAILS

Added: 3/1/2006 09:21:52 PM
Category: Science & Nature
Type: Premium Paper
Words: 474
Pages: 2

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