Whenever you study the most stable ions, we can see that they will be created from the elements sr, in, te, and i. The ion with the greatest radius will be formed by the Te element.
- Tellurium (Te) is a semimetallic chemical substance inside the oxygen group (Group 16 [VIa] of the periodic table), physically and chemically similar to selenium.
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It has an atomic number of 52 and is classed as a metalloid. At room temperature, this is solid.
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It is a silver-white semimetallic element that is glossy, crystalline, very brittle.
- It is often accessible as a dark grey powder having characteristics of both metals and nonmetals.
- Several compounds are formed that are similar to those of sulfur and selenium.
Therefore, the final answer is "Te"
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