Post Archives tagged ‘chemical’


 

Out the error of biological pesticide application – bio-pesticides, pesticides – chemical industry

Posted on: February 2nd, 2011 by
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Biology
With modern day advances in biotechnology research and commercial production of biological products increase the stage of current a long time biological Pesticide In agricultural creation far more and a lot more extensively utilized and obtained very good final results Even so due to outreach operate is not deep enough specifically in some Advertising Workers Continue reading the story "Out the error of biological pesticide application – bio-pesticides, pesticides – chemical industry"

Differences in chemical and physical properties

Posted on: January 2nd, 2011 by
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Students know differences in chemical and physical properties of substances are used to separate mixtures and identify compounds. This standard raises two potentially confusing issues: 1) the difference between mixtures and compounds, and 2) the use of physical and chemical properties to identify specific compounds. 1) Two major characteristics distinguish between mixtures and compounds. In mixtures, the parts keep their distinct physical properties. Continue reading the story "Differences in chemical and physical properties"

Each element is made of one kind of atom

Posted on: December 30th, 2010 by
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Students know that each element is made of one kind of atom and that the elements are organized in the periodic table by their chemical properties.

1) There are many websites that have information about the periodic table. Unfortunately, most of them have too much advanced, technical information. The Royal Society of Chemistry hosts a periodic table Continue reading the story "Each element is made of one kind of atom"