Name: Rutherfordium
Symbol: Rf
Atomic Number: 104
Atomic Mass: (261.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 104
Number of Neutrons: 157
Crystal Structure: Unknown
Density @ 293 K: Unknown
Color: Unknown
Other Names: Unnilquadium (Unq), Dubnium (Db), Rutherfordium (Rf)
Atomic Structure
![[Bohr Model of Rutherfordium]](b0104.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: 10 Seventh Energy Level: 2 |
Isotopes
| Isotope | Half Life |
| Rf-257 | 4.7 seconds |
Facts
Date of Discovery: 1969Discoverer: Albert Ghiorso
Name Origin: After Lord Rutherford, a New Zealand chemist and physicist
Uses: No uses known
Obtained From: Man-made
Information provided by: http://www.chemicalelements.com