Cool site though, I wouldn't have guessed that there were any elements that remain solids at 6000K, or that helium remains a liquid even at absolute 0.
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What I don't get is how Carbon has a liquid state in that table. At 1 atm, solid carbon (not CO2) sublimates into its gaseous phase just below 4 kK.
In the ferromagnetic phase, the atoms are magnetically aligned and their magnetic fields adds up. If you increase the temperature past a certain point though, the atoms are jiggled enough that they can no longer stay aligned and they 'point' in random directions, and their magnetic fields cancel out.
This is a big problem in hard drives: If you increase the temerature of a hard drive the magnetic regions no longer maintain their magnetization and your data gets erased. A lot of hard drive technology (eg 'perpedicular recording') has been developed to solve this problem.
> The electrons might even get excited enough to jump to entirely different orbitals
That's what causes hot objects to glow, basically -- the electrons get pushed to higher orbitals, and then fall back down again, emitting light.