Chapters: Tin-126, Tin-121m, Tin-100, Tin-101, Tin-102, Tin-103, Tin-104, Tin-105, Tin-106, Tin-107, Tin-108, Tin-109, Tin-110, Tin-111, Tin-112, Tin-113, Tin-114, Tin-115, Tin-116, Tin-117, Tin-118, Tin-119, Tin-120, Tin-122, Tin-123, Tin-124, Tin-125, Tin-127, Tin-128, Tin-129, Tin-130, Tin-131, Tin-132, Tin-133, Tin-134, Tin-135, Tin-136, Tin-137, Tin-99. Excerpt: Tin (Sn) is the element with the greatest number of stable isotopes (ten), which is probably related to the fact that 50 is a "magic number" of protons. 28 additional unstable isotopes are known, including the "doubly magic" tin-100 (Sn) (discovered in 1994) and tin-132 (Sn) (discovered c.2010)Standard atomic mass: 118.710(7) u ... More: http://booksllc.net/?id=2526965