Poll about Hydrogen and Helium
Submitted by Anonymous on 25 September 2004 - 12:33pm.
Poll 1: What group (ie. 1, 2, 3) should Hydrogen belong to?
Poll 2: What class (ie. Alkali metals, Other nonmetals) should Hydrogen belong to?
Poll 3: What group (2 or 18) should Helium belong to?
Please poll by replying. Thanks!

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Come on - helium is a noble gas, no doubt about it. (very similar chemistry to neon ;-)
Hydrogen is pretty unique though - not much point comparing its chemistry to anything else.
I would have to argue for Hydrogen being in the first column since it tends to form positively charged ions like lithium, sodium, potassium, rubidium and cesium do. Also, I believe it is thermondynamically more favorable for it to be H+ than it is H-. Hydrogen is not very electronegative like the halogens are, and is not likely to have a negative dipole when a part of a big molecule.
and that's why some periodic tables put Hidrogen to a very special place like this...
Ya, most the tables put hydrogen on the same column as iron or titanium (that is, they regard it as an transition metal!)