26.
Based on the position of tellurium in the periodic system of chemical elements, characterize the electronic state of its atoms and the redox properties of the element, namely:
A) determine the total number of electrons, the number of valence electrons and the maximum oxidation state, the number of electron layers.
B) write down the electronic formula of the valence sublevels and determine which electronic family (s-, p-, d-, f-) the element in question belongs to:
C) what properties - metallic or non-metallic are characteristic of the element in question (motivate the answer):
D) which elements of the period to which the element in question belongs have a lower electronegativity value (motivate the answer):
E) which element of the subgroup to which the element in question is located is
the strongest oxidizing agent (answer motivate).

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