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%I #26 Feb 10 2024 16:34:01
%S 1,2,8,9,10,7,6,5,18,17,4,16,28,15,27,29,35,14,26,34,36,30,25,46,32,
%T 33,111,24,77,112,78,31,79,44,45,13,43,47,110,76,109,54,75,3,53,80,23,
%U 108,22,48,52,113,74,42,12,50,51,107,49,86,106,114,81,82,84,73,41,85,21,105,83,72,40,11,104,118,103,71,115,39,58,69,68,99,117,67,95,96,66,100,63,65,97,98,64,91,70,92,20,93,62,94,61,101,60,90,116,59,102,57,38,89,19,56,88,37,87,55
%N Atomic numbers of the chemical elements sorted with respect to single-bond covalent radius.
%C For chemical elements there are single-, double- and triple-bond covalent radii. This sequence uses single-bond covalent radii. If the data for two elements are the same then they are sorted by atomic number (for example, the data for titanium (22) and cadmium (48) are both 136 pm so 22 comes before 48). - _Jianing Song_, Oct 01 2018
%H P. Pyykkö, M. Atsumi, <a href="https://doi.org/10.1002/chem.200800987">Molecular Single-Bond Covalent Radii for Elements 1-118</a>, Chemistry: A European Journal (2009) 15: 186-197.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Covalent_radius#Radii_for_multiple_bonds">Radii for multiple bonds</a>.
%e The elements with the smallest covalent radii are hydrogen (1), helium (2), oxygen (8) etc.
%Y Chemical elements sorted by: A081098 (melting point), A081099 (boiling point), A081100 (atomic radius), this sequence (covalent radius), A248026 (electronegativity), A248061 (density), A249874 (discovery).
%Y Cf. A319914 (single-bond covalent radii of the elements).
%K nonn
%O 1,2
%A _Ralf Stephan_, Mar 05 2003
%E Edited by _Jianing Song_, Oct 01 2018
%E Further edited by _N. J. A. Sloane_, Oct 06 2018
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