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Homework Statement
By a general rule the electron affinity of elements increases from left to right along the period and decreases down a group. Then why does chlorine have more electron affinity than fluorine even though it is below fluorine in the periodic table?
Homework Equations
none
The Attempt at a Solution
No idea actually, i thought it maybe so because of more electrons in Cl but then that reasoning should hold for the rest of the elements too.which actually doesnt... so i have no idea..