CBSE Class 12-science Answered
what are electro-positive and elector-negative atoms?
Asked by Manuj Agrawal | 27 Aug, 2012, 23:13: PM
Usually electroposititve elements refers to an element whose atoms tend to lose electrons; e.g., sodium, potassium, calcium. An element that is electropositive in one compound may be electronegative in another, and vice versa.
An electronegative element has a tendency to gain electrons. It forms negative ions (anions) due to electron gain.So those atoms which have the tendency to gain electron are called as electronegative atoms.
![](http://www.dmacc.edu/instructors/rbwollaston/Biology_I/images/sodium_ion_and_chlorine_ion.gif)
In the above example it is clearly visible that sodium atom is electropositive and chlorine is electronegative
Answered by | 28 Aug, 2012, 12:31: PM
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