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This extended periodic table is not correct. Lanthanum, for example, has one d electron, and zero f electrons, and lutetium has 14 f electrons. The correct...

consensus is to use the IUPAC spelling. Lanthanum-138 (talk) 12:59, 9 April 2011 (UTC) Strong oppose per Lanthanum-138 and Nergaal --R8R Gtrs (talk) 19:07...

1(4) keV 57 72 C |La-129m |0.56 s |(11/2-) 57 73 AB |La-130 |8.7(1) min |3(+) 57 73 C |La-130 |8.7 min |3+ 57 74 ABC |La-131 |59(2) min |3/2+ 57 74 AD...

03:29, 31 July 2011 (UTC)  Done All done --Lanthanum-138 (talk) 07:35, 10 August 2011 (UTC)  Done Lanthanum-138 (talk) 07:39, 10 August 2011 (UTC) Eu complexes...

elements of group 3 below scandium and yttrium are disputed. Some tables put lanthanum (La) and actinium (Ac) in these positions, while others put lutetium (Lu)...

support of the 1842 date, Merck cites Mosander's report on cerium and lanthanum at a conference in July 1842, the proceedings of which were published...

18-column format show the elements of this group as scandium, yttrium, lanthanum and actinium, a significant number of more recent tables feature the last...

produced, not americium (Z = 95) Lanthanum-138 (talk) 05:21, 27 May 2011 (UTC) This has also been posted at Talk:Curium. Lanthanum-138 (talk) 05:22, 27 May 2011...

Should it be mentioned that this was the old nickname for 90377 Sedna? Lanthanum-138 (talk) 07:17, 5 June 2011 (UTC) The FD also appears in the open source...

regulation and observation of this all is typically pretty indirect. — Preceding unsigned comment added by 185.131.63.130 (talk) 19:40, 30 May 2019 (UTC)...

representative of an element's chemistry (that's why we don't colour lanthanum as a transition metal, for example). Thus I think it is better to colour...

or two subheadings does not matter, as long as they are kept distinct. LanthanumK (talk) 09:36, 22 August 2013 (UTC) Two sections. Let's make it as easy...

is increased by the addition of the 2 +4 +4 +4 =14 element series of lanthanum series elements. It is not as structurally stable as was 54 Xenon, which...

15:55, 3 April 2011 (UTC) Um, Rg is probably [Rn]7s25f146d9, actually. Lanthanum-138 (talk) 09:58, 1 May 2011 (UTC) The map showing the mines in Australia...

kwami 21:40, 13 October 2007 (UTC) At least Venus doesn't have a moon! Lanthanum-138 (talk) 13:58, 7 May 2011 (UTC) What are we talking about? — Preceding...

('it never ends at all!') — kwami (talk) 13:17, 2 February 2011 (UTC) Lanthanum-138 (talk) 12:53, 24 February 2011 (UTC) The blocks can be separated by...

I don't know where to start looking for them in such a huge article!) Lanthanum-138 (talk) 10:34, 25 May 2011 (UTC) Examples of errors: Difficulty of...

comment added by 86.144.101.33 (talk) 18:53, 15 June 2010 (UTC) Um, no. Lanthanum-138 (talk) 06:11, 8 May 2011 (UTC) According to IUPAC, the inner-transition...

I've been bold. Lanthanum-138 (talk) 13:40, 29 April 2011 (UTC) Now it does have more citations than Br. (But not many more.) Lanthanum-138 (talk) 07:13...