The element that does not show catenation is:

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Strategy:
 Catenation is the ability of an element to form long chains or rings by bonding with itself. This ability depends strongly on the element-element bond strength, which decreases as atoms get larger.

Step 1: Analyze Group 14 elements
Group 14: Carbon (C)  Silicon (Si)  Germanium (Ge)  Tin (Sn)  Lead (Pb).
- Carbon: Excellent catenation property.
- Silicon/Germanium/Tin: Show limited catenation.
- Lead: Due to its very large size and shielding effects, the  bond is extremely weak. Conse

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