Name: Americium
Symbol: Am
Atomic Number: 95
Atomic Mass: (243.0) amu
Melting Point: 994.0 °C (1267.15 °K, 1821.2 °F)
Boiling Point: 2607.0 °C (2880.15 °K, 4724.6 °F)
Number of Protons/Electrons: 95
Number of Neutrons: 148
Crystal Structure: Hexagonal
Density @ 293 K: 13.6 g/cm3
Color: Unknown
Atomic Structure
![[Bohr Model of Americium]](b0095.gif) |
Number of Energy Levels: 7 First Energy Level: 2 Second Energy Level: 8 Third Energy Level: 18 Fourth Energy Level: 32 Fifth Energy Level: 25 Sixth Energy Level: 8 Seventh Energy Level: 2 |
Isotopes
| Isotope | Half Life |
| Am-240 | 2.1 days |
| Am-241 | 432.7 years |
| Am-242 | 16.0 hours |
| Am-242m | 141.0 years |
| Am-243 | 7370.0 years |
| Am-244 | 10.1 hours |
| Am-245 | 2.1 hours |
| Am-246 | 39.0 minutes |
Facts
Date of Discovery: 1945
Discoverer: G.T. Seaborg
Name Origin: After America
Uses: Smoke Detectors
Obtained From: Man-made
Information provided by: http://www.chemicalelements.com