First slide

Electronic configuration and Atomic , physical properties

Question

Astatine is the element below iodine in the group VIIA of the periodic table. Which of the following statements is not true for astatine?

Moderate

A

It is less electronegative than iodine.
B

It will exhibit only -1 oxidation state.
C

Intermolecular forces between the astatine molecules will be larger than that between iodine molecules.
D

None of these.

Solution

It has d- and f-orbitals so it can show higher positive oxidation states with highly electronegative fluorine and oxygen.

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