Find the oxidation state of Н2ТеО4

The oxidation state (oxidation number) is an auxiliary conditional value for recording the processes of oxidation, reduction and redox reactions. It indicates the oxidation state of an individual atom in a molecule and is only a convenient method of accounting for electron transfer: it is not the true charge of an atom in a molecule.
Determine the oxidation state of all elements in the following compound.
H2TeO4 – hydrogen oxidation state + 1, tellurium oxidation state + 6, oxygen oxidation state – 2.

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