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10 Δεκ 2019 · molar gas constant 8.314 5 J mol−1 K−1 electron volt 1.602 177 x 10-19 J (exact) 0.510 998 950 MeV 13.605 693 eV R R c R R hc mec 2 mp 1.602 176 634 x 10−19 C 1.672 622 x 10−27 (exact)kg 3.289 841 960 x 1015 Hz eV k P E R I O D I C T A B L E Atomic Properties of the Elements FREQUENTLY USED FUNDAMENTAL PHYSICAL CONSTANTS§
This chart contains all the information you could want from a printable periodic table, including element symbols, names, atomic numbers, atomic masses, electron shells, periods, groups, state of matter, and more.
1 H hydrogen 1.0080 ± 0.0002 1 18 3 Li lithium 6.94 ± 0.06 4 Be beryllium 9.0122 ± 0.0001 11 Na sodium 22.990 ± 0.001 12 Mg magnesium 24.305 ± 0.002 19 K potassium 39.098
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
h hydrogen 1 1.0079 li lithium 3 6.941 na sodium 11 22.990 k potassium 19 39.098 rb rubidium 37 85.468 cs cesium 55 132.91 fr francium 87 (223) be beryllium 4 9.0122 mg magnesium 12 24.305 ca calcium 20 40.078 sr strontium 38 87.62 ba barium 56 137.33 ra radium
ACS Periodic Table of Elements (PDF) Created Date: 11/26/2019 4:00:20 PM ...