Name: Lawrencium
Symbol: Lr
Atomic Number: 103
Atomic Mass: (262.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 103
Number of Neutrons: 159
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown
Atomic Structure
![[Bohr Model of Lawrencium]](b0103.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: 32 Sixth Energy Level: 9 Seventh Energy Level: 2 |
Isotopes
| Isotope | Half Life |
| Lr-254 | 13.0 seconds |
Facts
Date of Discovery: 1961Discoverer: Albert Ghiorso
Name Origin: After Ernest Lawrence
Uses: No uses known
Obtained From: Man-made
Information provided by: http://www.chemicalelements.com