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
Crystal Structure: Tetragonal
Density @ 293 K: 7.31 g/cm3
Color: white
Atomic Structure
![[Bohr Model of Tin]](b0050.gif) |
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-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 ancientsDiscoverer: Unknown
Name Origin: Latin
Symbol Origin: From the Latin word stannum (tin)
Uses: coating for steel cans
Obtained From: ore cassiterite
Information provided by: http://www.chemicalelements.com