Electronegativity trends in the periodic table
Electronegativity trends in the periodic table
Real World
Fluorine is the most electronegative element (4.0 on the Pauling scale), which is why PTFE (Teflon) used in non-stick pans is so chemically inert — the C–F bonds are extremely strong due to fluorine's electron-pulling power.
Exam Focus
Define electronegativity precisely as 'the ability to attract electron density in a covalent bond' — omitting 'covalent bond' loses marks.
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