Atoms are the smallest things stuff can be and still be an element. So, why should the periodic table be so huge? Like, covering almost an entire piece of paper?
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Last night, I was watching the Daily Show, and they had Tom Zoellner on, talking about his new book: Uranium: War, Energy, and the Rock that shaped the world.
There are certainly a lot of interesting things about Uranium in culture, particularly in terms of energy (hey, we can use this thing to…
Have ever really thought about the elements? Have you ever really asked questions about them? If you are some kind of scientist or science geek, you probably know a lot about them, and that could even be a disadvantage for you, in a sense. For instance, if you learned early on that elements were…
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.…
This is National Chemistry Week. It's always chosen to coincide with whichever calendar week includes October 23 (or 10/23), since October 23 is "Mole Day".
"Huh? Why would chemists celebrate a furry critter that burrows underground?"
Not that mole. The mole chemists celebrate is a unit.
1 mole…
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Putting a funky twist to chemistry, you have got to check out a cool song about the periodic elements titled âPeriodic Elements â little things mean a lotâ below:
Links to lyrics and sample of song below:
Lyrics: http://www.yesnack.com/pdf/PeriodicElements-LittleThingsMeanALot.pdf
Music: http://www.yesnack.com/music/wta/PeriodicElementssample.mp3