Friday, October 29, 2010

Element and its Properties

It is the simplest form of Matter, which cannot be further simplified by any physical or chemical mean, is known as Element. There are about 113 elements, out of which 92 are natural, rest are man made.
Examples of Natural Elements are H, O, N, Fe, Na, etc. There are two properties of Elements
(1) Physical Properties: These are the properties which are associated with physical changes in a substance. Examples are color, shape, temperature, etc
(2) Chemical Properties: These are the properties which are associated with the fundamental composition of a substance. Examples are Bonding Nature, Catalytic properties or Magnetic properties etc

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