Atomic Number: | 101 |
Element Symbol: | Md |
Element Name: | Mendelevium |
Atomic Weight: | 258 |
Group Name: | Actinoid |
Period Number: | 7 (actinoid) |
Block: | f-block |
Ground State Configuration: | [Rn] 5f13 7s2 |
Ground State Level: | 2Fo7/2 |
Standard State: | Artificially prepared |
First Ionization Energy: | 635 |
Pauling Electronegativity: | 1.3 |
Allred Rochow Electronegativity: | 1.2 |
Melting Point: | 827 |
Most Common Oxidation Numbers: | 3 |
Color: | Unknown, but probably metallic and silvery white or grey in appearance |
Classification: | Metallic |
Discovered By: | Glenn T. Seaborg, Albert Ghiorso, Bernard Harvey, Gregory Choppin, Stanley G. Thompson |
Discovered At: | USA |
Discovered When: | 1955 |
Origin Of Name: | Named after Dimitri Mendeleev, the Russian chemist who contributed so much to the development of the periodic table |
Calculate the molecular weight of Mendelevium or molecular weight Md.
Also see the full list of chemical elements and atomic weights.