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Laser-Cooled Atoms: Lithium | ScienceBlogs

Element: Lithium (Li)
Atomic Number: 3
Mass: Two stable isotopes, masses 6 and 7 amu
Laser cooling wavelength: 671 nm
Doppler cooling limit: 140 μK.
Chemical classification: Alkali metal, column I in the periodic table. Yet another greyish metal. We're almost done with alkalis, I promise. Less reactive than any of the others, so the explosions in water aren't very impressive. ....

Wolfgang Ketterle , Randy Hulet , Comic Book Periodic Table , Scrooge Mcduck ,

Laser-Cooled Atoms: Cesium | ScienceBlogs

Element: Cesium (Cs)
Atomic Number: 55
Mass: One stable isotope, mass 133 amu.
Laser cooling wavelength: 854nm, but see below.
Doppler cooling limit: 125 μK.
Chemical classification: Yet another alkali metal, column I of the periodic table.
This one isn't greyish, though! It's kind of gold color. Still explodes violently in water, though. ....

France General , United Kingdom , Steve Chu , Jerrold Zacharaias , Rudy Grimm , Comic Book Periodic Table ,

Laser-Cooled Atoms: Helium | ScienceBlogs

Element: Helium (He)
Atomic Number: 2
Mass: two stable isotopes, 3 and 4 amu.
Laser cooling wavelength: 1083 nm
Doppler cooling limit: 38 μK ....

John Doyle , Selective Coherent Population Trapping , Comic Book Periodic Table ,

Laser-Cooled Atoms: Strontium | ScienceBlogs

Laser-Cooled Atoms: Strontium | ScienceBlogs
scienceblogs.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from scienceblogs.com Daily Mail and Mail on Sunday newspapers.

United Kingdom , Hidetoshi Katori , Comic Book Periodic Table ,

Laser-Cooled Atoms: Ytterbium | ScienceBlogs

More like this
Two of those are nominally radioactive, with half-lives vastly in excess of the age of the universe.
You mentioned this a coupla times now.
How does one actually measure the rate of decay, when it s so low?
By Sili (not verified) on 17 Sep 2013 #permalink
You just need to collect a whole lot of atoms.
If you have a half-life of 10,000,000,000 years, that s the time it takes for half of the sample to decay away, or (roughly) for you to have a 50% chance of seeing one particular atom decay. If you have 10,000,000,000 atoms in your sample, though, you ve got (roughly) a 50% chance of seeing one of them decay in one year. Increase that to 4,000,000,000,000 atoms, and you ve got good chance of seeing one decay per day, and so on. ....

Norval Fortson , Trey Porto , Comic Book Periodic Table , னொருவள் ஃபோர்ட்சன் , ட்ரே போர்டோ , காமிக் நூல் குறிப்பிட்ட கால இடைவெளியில் மேசை ,