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Mendelevium is a synthetic element with the symbol Md (formerly Mv) and atomic number 101. A metallic radioactive transuranium element in the actinide series, it is the first element by atomic number that currently cannot be produced in macroscopic quantities by neutron bombardment of lighter elements. It is the third-to-last actinide and the ninth transuranic element. It can only be produced in particle accelerators by bombarding lighter elements with charged particles. Seventeen isotopes are known; the most stable is 258Md with half-life 51 days; however, the shorter-lived 256Md (half-life 1.17 hours) is most commonly used in chemistry because it can be produced on a larger scale. Mendelevium was discovered by bombarding einsteinium with alpha particles in 1955, the method still used to produce it today. It was named after Dmitri Mendeleev, father of the periodic table of the chemical elements. Using available microgram quantities of einsteinium-253, over a million mendelevium atoms may be made each hour. The chemistry of mendelevium is typical for the late actinides, with a preponderance of the +3 oxidation state but also an accessible +2 oxidation state. All known isotopes of mendelevium have short half-lives; there are currently no uses for it outside basic scientific research, and only small amounts are produced.
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Albums by Element 101Sort:By AlbumA - Z
How to Start a Fire [2003]
Song | Duration |
---|---|
The Fragile [*] | 4:19 |
Tooth & Nail Tenth Anniversary [2003]
Song | Duration |
---|---|
Standing on the Edge of Night | 3:49 |
The Fragile | 4:17 |
More Than Motion [2002]
Song | Duration |
---|---|
Fade Away | 4:09 |
Stop Breathing | 3:04 |
The Fragile | 4:16 |
Love Has No Sound | 4:16 |
This Time Around | 3:58 |
Something Like a Dream | 3:22 |
Angel Blue Eyes | 4:32 |
A Song | 2:58 |
Under the Ocean | 3:37 |
My Darkest Night | 11:23 |
Punk Goes Pop [2002]
Song | Duration |
---|---|
I'm Like a Bird | 3:50 |
Songs from the Penalty Box, Vol. 5 [2002]
Song | Duration |
---|---|
The Fragile | 4:22 |
Future Plans Undecided
Stereo Girl
Song | Duration |
---|---|
To Whom It May Concern | 3:01 |
Dead Romance Language Club | 2:46 |
A Faithful Fascination | 4:10 |
Standing on the Edge of Night | 3:56 |
Today and Always | 2:45 |
Just to Like You | 3:07 |
20 Years in the Making | 3:32 |
A Wish for You | 3:04 |
Private Conversations | 3:33 |
Skyline Silhouettes | 4:38 |
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