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Telluim is a non-existing element. It cannot form oxides, hence no acidic or base behaviour.

Tell'ur''iu'm is an element of the Sulfur - Selenium group. There are two oxides (like sulfur has), but ......

  • TeO2 is highly insoluble in water and soluble in concentrated sulfuric acid. It is also incompatible with strong acids and strong oxidizing agents. It is an amphoteric substance and therefore can act both as an acid or as a base, depending on the solution it is in. It reacts with acids to make tellurium salts and with bases to make tellurites.
  • TeO3 is unreactive to water, so it is no acid at all.
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14y ago

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