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Basic Information

Name: Tin
Symbol: Sn
Atomic Number: 50
Atomic Mass: 118.71 amu
Melting Point: 231.9 °C (505.05 K, 449.41998 °F)
Boiling Point: 2270.0 °C (2543.15 K, 4118.0 °F)
Number of Protons/Electrons: 50
Number of Neutrons: 69
Classification: Other Metals
Crystal Structure: Tetragonal
Density @ 293 K: 7.31 g/cm³
Color: white

Atomic Structure

Number of Energy Levels: 5

First Energy Level:

Second Energy Level:

Third Energy Level:

Fourth Energy Level:

Fifth Energy Level:

Isotopes

Isotope	Half Life
Sn-112	Stable
Sn-113	115.1 days
Sn-114	Stable
Sn-115	Stable
Sn-116	Stable
Sn-117	Stable
Sn-117m	13.6 days
Sn-118	Stable
Sn-119	Stable
Sn-119m	293.0 days
Sn-120	Stable
Sn-121	1.12 days
Sn-121m	55.0 years
Sn-122	Stable
Sn-123	129.2 days
Sn-123m	40.1 minutes
Sn-124	Stable
Sn-125	9.63 days
Sn-125m	9.5 minutes
Sn-126	100000.0 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

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