What is electron negativity ? How does it change in a period as well a

1.	What is electron negativity ? How does it change in a period as well as in a group ?
Answer» SOLUTION :The ability of an atom to attract the shared electron pair (of a COVALENT bond) in a molecule towards itself is called electro NEGATIVITY. In a period from LEFT to right the electro negativity increases. Down a group electro negativity value decreases.

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