How does the electronegativity of p-block elements change across a period?

The electronegativity of p-block elements across a period increases. On the periodic table, electronegativity generally increases as you move from left to right across a period and decreases as you move down a group. As we go from left to right across a period, the nuclear charge is increasing faster than the electron shielding, so the attraction that the atoms have for the valence electrons increases.

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