Information valid for Sn-119 unless otherwise noted
[ATOM]

Tin

 [ATOM]

Basic Information


Symbol: Sn
Atomic Number: 50
Mass: 118.71
Melting Point: 231.9
Boiling Point: 2270
Number of Protons/Electrons: 50
Number of Neutrons: 69
Classification: Other Metals
Crystal Structure: Tetragonal
Density: 7.31
Color: white

Atomic Structure

[Bohr Model of Tin]  
Number of Energy Levels: 5

    First Energy Level: 2
    Second Energy Level: 8
    Third Energy Level: 18
    Fourth Energy Level: 18
    Fifth Energy Level: 4

Isotopes

Isotope Half Life
Sn-112Stable
Sn-113115.1 days
Sn-114Stable
Sn-115Stable
Sn-116Stable
Sn-117Stable
Sn-117m13.6 days
Sn-118Stable
Sn-119Stable
Sn-119m293 days
Sn-120Stable
Sn-1211.12 days
Sn-121m55 years
Sn-122Stable
Sn-123129.2 days
Sn-123m40.1 minutes
Sn-124Stable
Sn-1259.63 days
Sn-125m9.5 minutes
Sn-126100000 years

Facts


Date of Discovery: Known to the ancients
Discoverer: Unknown
Name Origin: Latin
Symbol Origin: From the Latin word stannum (tin)
Uses: coating for steel cans
Obtained From: ore cassiterite

Related Links

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