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Fred Bayer | Rosenheim | Germany | (+49) 8031 86550 | fred@bayerf.de

2 – He – Helium

He Gaseous Helium. Colorless, so there's not much to see here. Amount: 3 ml.
He Using high voltage, Helium glows almost white in a glow lamp.

Physical and chemical data
Atomic mass4.00260
Density0.17e-3 g·cm-3
Melting point-272 °C
Boiling point-268.9 °C
Abundance4.20e-7 %
Electronegativy0
Oxydation levelsNone
Electron configuration1s2

H   He
Li Be   B C N O F Ne
Na Mg   Al Si P S Cl Ar
K Ca Sc   Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y   Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg  
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