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24 March, 14:48

Selected properties of antimony (Sb) and iodine (I) are listed in the table below.

Element

Atomic radius

(pm)

First ionization energy

(kJ/mol)

Electron affinity

(kJ/mol)

Electronegativity

Sb

145

?

-103

2.05

I

140

1008

-295

?

Which predictions can most likely be made?

Sb has a lower ionization energy but a higher electronegativity than I.

Sb has a higher ionization energy but a lower electronegativity than I.

Sb has a lower ionization energy and a lower electronegativity than I.

Sb has a higher ionization energy and a higher electronegativity than I.

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Answers (1)
  1. 24 March, 16:54
    0
    Sb has a lower ionization energy and a lower electronegativity than I (but I would say that the difference is small).
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