Question

Why antimony and bismuth have same electronegativity?

Answer 1

Answer:

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Explanation:

Sb and Bi have same electronegativity because of the poor screening effect of f orbitals. As we move from As to Bi, the size of atom increases due to the addition of a new shell. ... Hence it size of Bi decreases from the expected size.

Answer 2

Sb and Bi have same electronegativity because of the poor screening effect of f orbitals.