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Elements of the horizontal ADOMAH periodic table written from right to left, from bottom to top.
1

%I #45 Jul 19 2021 19:26:07

%S 2,1,4,3,10,9,8,7,6,5,12,11,18,17,16,15,14,13,30,29,28,27,26,25,24,23,

%T 22,21,20,19,36,35,34,33,32,31,48,47,46,45,44,43,42,41,40,39,70,69,68,

%U 67,66,65,64,63,62,61,60,59,58,57,56,55,38,37,54,53,52,51,50,49,80,79,78,77,76,75,74,73,72,71,102,101,100,99,98,97,96,95,94,93,92,91,90,89

%N Elements of the horizontal ADOMAH periodic table written from right to left, from bottom to top.

%C We first write a variant of the ADOMAH periodic table:

%C 1 2

%C 5 6 7 8 9 10 3 4

%C 21 22 23 24 25 26 27 28 29 30 13 14 15 16 17 18 11 12

%C 57 to 70 39 40 41 42 43 44 45 46 47 48 31 32 33 34 35 36 19 20 (B)

%C 89 to 102 71 72 73 74 75 76 77 78 79 80 49 50 51 52 53 54 37 38

%C 103104105106107108109110111112 81 82 83 84 85 86 55 56

%C 113114115116117118 87 88

%C 119120

%C (See A219388).

%C It could be written vertically.

%C Differences of (2,4,12,20,38,56,88,120,... = A168380) = 2,8,8,18,18,... = A093907 from a 118 terms table.

%C The number of elements in the n-th period (2,8,18,32,32,18,8,2) is in A168281. Compare to A093907 = 2,8,8,18,18,32,32,50,...(extension of the Mendeleyev-Moseley-Seaborg table) and A137583 = 2,2,8,8,18,18,32,32. See the possible element 120 in A168208 (which must be clarified).

%C The horizontal ADOMAH periodic table (2006) is

%C 119120

%C 113114115116117118 87 88

%C 103104105106107108109110111112 81 82 83 84 85 86 55 56

%C 89 to 102 71 72 73 74 75 76 77 78 79 80 49 50 51 52 53 54 37 38 (A)

%C 57 to 70 39 40 41 42 43 44 45 46 47 48 31 32 33 34 35 36 19 20

%C 21 22 23 24 25 26 27 28 29 30 13 14 15 16 17 18 11 12

%C 5 6 7 8 9 10 3 4

%C 1 2

%C Generally it is written vertically.

%D Philip J. Stewart, "Charles Janet, Unrecognized genius of the periodic system", Foundations of Chemistry, January, 2009. ISSN 1386-4238.

%H V. Tsimmerman, <a href="http://perfectperiodictable.com">ADOMAH Periodic Table</a>

%Y Cf. A137325.

%K nonn,full,fini,less

%O 1,1

%A _Paul Curtz_, Oct 15 2012

%E Reference given by _Jean-François Alcover_, Oct 22 2012

%E Typos corrected in comments by _Jean-François Alcover_, Nov 16 2012