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Tin also occurs in 29 unstable isotopes, encompassing all the remaining atomic masses from 99 to 137.Apart from Sn, cannot be made in significant amounts in the s- or r-processes and are considered among the p-nuclei, whose origins are not well understood yet.But on gala nights, she favors exuberant gowns by Vasily Vein, a Russian who understands her vibe and bathes her in boatloads of feathers and tulle, and whose custom creation she wears at right.Former Olympic gymnast Alina Kabaeva, 32 - who has been romantically linked to the Russian president - appeared in the public for the first time in weeks, fuelling speculation that she has had a baby.Simple eutectic systems, however, occur with bismuth, gallium, lead, thallium and zinc.This large number of stable isotopes is thought to be a direct result of the atomic number 50, a "magic number" in nuclear physics.
Two more allotropes, γ and σ, exist at temperatures above 161 °C (322 °F) and pressures above several GPa.
It has two main allotropes: at room temperature, the stable allotrope is β-tin, a silvery-white, malleable metal, but at low temperatures it transforms into the less dense grey α-tin, which has the diamond cubic structure. The first alloy used on a large scale was bronze, made of tin and copper, from as early as 3000 BC. Pewter, which is an alloy of 85–90% tin with the remainder commonly consisting of copper, antimony, and lead, was used for flatware from the Bronze Age until the 20th century.