Talk:Transactinide element

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Quote: "Except for dubnium, even the longest-lasting isotopes of transactinide elements have extremely short half-lives, measured in seconds, or smaller units." According to the Rutherfordium-page, the most stable isotop of Rf got a halflife at about 13 hours.

Quite right; I'm adjusting the wording accordingly. While I'm at it, I'm killing the nonsense about "transactinide" being
only an adjective. A search for "transactinides" shows that the noun is used by many reputable organizations and is
even the title of a published book. (talk) 16:53, 12 April 2014 (UTC)

Why does it end where it does?[edit]

If 118 is supposed to be i the same series as the noble gasses, what's it doing in the transactinide series? Zaphraud (talk) 09:49, 22 February 2009 (UTC)

The chemical series can overlap each other: the earlier transactinides are also transition metals, and the noble gases are also nonmetals. Double sharp (talk) 08:37, 6 February 2012 (UTC)
Also, given the immense instability that permeates the series, "transactinides" is probably more of a primary category for these elements than "transition metal", "post-transition metal", "metalloid", or "noble gas" would be. After all, most inorganic chemistry texts I have seen cover the elements beyond Lr (the last of the actinides) all together, instead of with their respective groups. Double sharp (talk) 05:21, 17 September 2016 (UTC)
(The exception is Holleman and Wiberg, BTW, and even then only for Rf–Cn IIRC.) Double sharp (talk) 04:17, 18 September 2016 (UTC)

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