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Chemistry Doubt :S <urgent>

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Metallicnak:
Guys can some1 explain to me the difference between Polarisation and electronegativity ??? aernt they the same thing ???

nid404:
will be back in a few hrs...

Metallicnak:
Could anybody please answer my post :-\

nid404:

--- Quote from: Metallicnak on April 08, 2010, 07:49:10 am ---Guys can some1 explain to me the difference between Polarisation and electronegativity ??? aernt they the same thing ???

--- End quote ---


nope

Polarization-The partial or complete polar separation of positive and negative electric charge in a nuclear, atomic, molecular, or chemical system.

Electronegativity- A property of an atom which increases with its tendency to attract the electrons of a bond.

Metallicnak:
So in other words :- polarisation takes place in ionic compounds allowing metals to attract thier lost electrons back from the anion which leads to a change from its lattice enthalphy as the compound is slightly covalent on the otherhand electronegativity is the effect that takes place in a covalent bond where one of the atoms attract the electrons more towards itself leading to the formation of a polar bond.

So is this definition right ???

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