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Aug 27, 2008
Lecture 22 – The Acid-Base Character of
The first word is the name of the nonmetal with a Greek prefix that shows us the
number of atoms of nonmetal, the second word is the name "
Jun 14, 2013
Sep 16, 2010
Apr 14, 2016
In periodic table more 75% of elements are metallic in nature such as gold, silver, platinum, mercury, uranium, aluminum, sodium and calcium. Metals are placed ...
May 27, 2014