Name: Curium
Symbol: Cm
Atomic Number: 96
Atomic Mass: (247.0) amu
Melting Point: 1340.0 °C (1613.15 °K, 2444.0 °F)
Boiling Point: Unknown
Number of Protons/Electrons: 96
Number of Neutrons: 151
Crystal Structure: Unknown
Density @ 293 K: 13.511 g/cm3
Color: Unknown
Atomic Structure
![[Bohr Model of Curium]](b0096.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: 9 Seventh Energy Level: 2 |
Isotopes
| Isotope | Half Life |
| Cm-241 | 32.8 days |
| Cm-242 | 162.8 days |
| Cm-243 | 29.1 years |
| Cm-244 | 18.1 years |
| Cm-245 | 8500.0 years |
| Cm-246 | 4760.0 years |
| Cm-247 | 1.56E7 years |
| Cm-248 | 348000.0 years |
| Cm-249 | 1.1 hours |
| Cm-250 | 9700.0 years |
Facts
Date of Discovery: 1944Discoverer: G.T. Seaborg
Name Origin: After Pierre and Marie Curie
Uses: No uses known
Obtained From: Man-made
Information provided by: http://www.chemicalelements.com