# Electronegativity

Chemistry Level pending

Electronegativity, symbol χ, is a chemical property that describes the tendency of an atom or a functional group to attract electrons (or electron density) towards itself. The above are the electronegativities and atomic and ionic radii of the four elements A, B, C and D with period $$2,$$ which are Be, F, N and O. (not necessarily in this order) Which of the following statements is correct?

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