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ATOMIC WEIGHTS OF THE ELEMENTS 2021. These tables are based on the 2021 table with changes from the 2019 table for the values of Ar, Hf, Ir, Pb and Yb and changes to the uncertainty for Al, Au, Co, F, Ho, Mn, Nb, Pa, Pr, Rh, Sc, Tb, Tm, and Y. https://iupac.qmul.ac.uk/AtWt/
- 2019 Atomic Weights
ATOMIC WEIGHTS OF THE ELEMENTS 2019. These tables are based...
- 2019 Atomic Weights
For a fully interactive version with orbitals, isotopes, compounds, and free printouts, visit http://www.ptable.com/.
10 gru 2019 · Atomic Number Symbol Name Ground-state Configuration Ground State Ionization Energy (eV) †Based upon 12C. indicates the mass number of the longest-lived isotope. St an dr Atomic Weight † (u) 29 Cu Copper 63.546 7.7264 11 Na Sodium 22.990 5.1391 12 Mg Magnesium 24.305 7.6462 13 Al Aluminum 26.982 5.9858 14 Si Silicon 28.085 8.1517 15 P ...
The latest release of the Periodic Table (dated 4 May 2022) includes the most recent abridged standard atomic weight values released by the IUPAC Commission on Isotopic Abundances and Atomic Weights , compiled as part of the 2021 Table of Standard Atomic Weights 2021. For elements that lack isotopes with a characteristic isotopic abundance in ...
ATOMIC WEIGHTS OF THE ELEMENTS 2009. These tables are based on the 2009 table at Pure Appl. Chem., 2011, 83, 359-396 with changes from the 2007 table for the values of boron, carbon, chlorine, germanium, hydrogen, lithium, nitrogen, oxygen, silicon, sulfur, and thallium. https://iupac.qmul.ac.uk/AtWt/AtWt09.html.
1 H hydrogen 1.008 [1.0078, 1.0082] 1 18 3 Li lithium 6.94 [6.938, 6.997] 4 Be beryllium 9.0122 11 Na sodium 22.990 12 Mg magnesium 24.305 [24.304, 24.307] 19 K potassium
30 lip 2009 · The periodic table contains NIST’s latest critically evaluated data for atomic properties of the elements. The PDF is suitable for high-resolution color printing for desk or wall-chart display. Access the Table: PDF without crop marks | PDF with crop marks.
