Chemical Basis of Life

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Issue:

Science

 

Written by:

Marcel T

 

Date added:

July 8, 2013

 

Level:

University

 

Grade:

A

 

No of pages / words:

3 / 808

 

Was viewed:

3741 times

 

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Essay content:

(Physical things) ? The various forms of matter are composed of one or more chemical elements. Element: A pure substance that cannot be broken down into smaller substances by chemical means ? There are 25 elements are essential to life. Four of these elements are Oxygen (O), Carbon (C), Hydrogen (H), and Nitrogen (N)...
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Four of these elements are Oxygen (O), Carbon (C), Hydrogen (H), and Nitrogen (N). These make up about 96% of the living matter in your body. Calcium (CA), Phosphorus (P), Potassium (K), sulfur (S), and a few other elements account for most of the remaining 4%. Trace Elements: elements that make up less that 0...
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