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The Comparative Abundance Of The Elements
Start of Term Paper
- 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,
nitro .... Middle of Term Paper
... Calcium 3.4%, Sodium 2.6%, Potassium 2.4%,
Magnesium 1.9%, Hydrogen 0.9%, titanium 0.6%, Chlorine 0.2%, Phosphorus
Manganese and Carbon are all 0.1%, Sulfur 0.05% Barium 0.04%, Nitrogen 0.03% and
the rest of the elements on the periodic table take up about 0.5%.
The elements of the crust are graphed below, but only ones that are 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 ... |
| Number of Words: 474 |
Approximate Pages: 2 |
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