I don't know who wrote this:
> Can it be that bad? In halogen lamps the envelope
is full of chlorine
> which is even more electronegative than oxygen. Admittedly the valence is
But chlorine is *not* more electronegative than oxygen. You must have
been thinking of *fluorine*.
Electronegativity goes F -> O -> Cl -> N -> Kr -> Br -> I -> Xe ->
S -> C.
Peace... Sridhar