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Overview: formal values of the standard atomic weight[1]
Element Ar, standard Ar, std abridged[2] Ar, std conventional[3] Ar, std formal short[4] Mass number
(most stable isotope)
hydrogen 1H [1.007841.00811] [1.00781.0082] 1.008 1.008
nitrogen 7N [14.0064314.00728] [14.00614.008] 14.007 14.007
fluorine 9F 18.998403163(6) 18.998 18.998
calcium 20Ca 40.078(4) 40.078(4) 40.078(4)
technetium 43Tc (none) [97]

UsageEdit

Use parameter |format=:

{{Infobox element/symbol-to-saw|format=...}}
  • |format=standard (default):
  • |format=abridged:
  • |format=conventional:
  • |format=formal-short:
  • |format=formal-short-rounded:
  • |format=year-changed:

TestcasesEdit

Standard atomic weights of the elements testcasesa page (data)
Element Ar, standard abridged conventional → formal
short
→ short,
rounded
m.s.i. Decimals
({{calc molar mass}})
Year changed note

1 H hydrogen [1.007841.00811] [1.00781.0082] 1.008 1.008 1.008 3 2009
2 He helium 4.002602(2) 4.0026 4.0026 4.0026 6
3 Li lithium [6.9386.997] [6.9386.997] 6.94 6.94 6.94 2 2009
4 Be beryllium 9.0121831(5) 9.0122 9.0122 9.0122 7
5 B boron [10.80610.821] [10.80610.821] 10.81 10.81 10.81 2 2009
6 C carbon [12.009612.0116] [12.00912.012] 12.011 12.011 12.011 3 2009
7 N nitrogen [14.0064314.00728] [14.00614.008] 14.007 14.007 14.007 3 2009
8 O oxygen [15.9990315.99977] [15.99916.000] 15.999 15.999 15.999 3 2009
9 F fluorine 18.998403163(6) 18.998 18.998 18.998 9
10 Ne neon 20.1797(6) 20.180 20.180 20.180 4
11 Na sodium 22.98976928(2) 22.990 22.990 22.990 8
12 Mg magnesium [24.30424.307] [24.30424.307] 24.305 24.305 24.305 3 2011
13 Al aluminium 26.9815384(3) 26.982 26.982 26.982 7 2017
14 Si silicon [28.08428.086] [28.08428.086] 28.085 28.085 28.085 3 2009
15 P phosphorus 30.973761998(5) 30.974 30.974 30.974 9
16 S sulfur [32.05932.076] [32.05932.076] 32.06 32.06 32.06 2 2009
17 Cl chlorine [35.44635.457] [35.44635.457] 35.45 35.45 35.45 2 2009
18 Ar argon [39.79239.963] [39.79239.963] 39.88 39.88 39.88 2 2017 interval per 2017, no short values published yet
19 K potassium 39.0983(1) 39.098 39.098 39.098 4
20 Ca calcium 40.078(4) 40.078(4) 40.078(4) 40.078 3
21 Sc scandium 44.955908(5) 44.956 44.956 44.956 6
22 Ti titanium 47.867(1) 47.867 47.867 47.867 3
23 V vanadium 50.9415(1) 50.942 50.942 50.942 4
24 Cr chromium 51.9961(6) 51.996 51.996 51.996 4
25 Mn manganese 54.938043(2) 54.938 54.938 54.938 6 2017
26 Fe iron 55.845(2) 55.845(2) 55.845(2) 55.845 3
27 Co cobalt 58.933194(3) 58.933 58.933 58.933 6 2017
28 Ni nickel 58.6934(4) 58.693 58.693 58.693 4
29 Cu copper 63.546(3) 63.546(3) 63.546(3) 63.546 3
30 Zn zinc 65.38(2) 65.38(2) 65.38(2) 65.38 2
31 Ga gallium 69.723(1) 69.723 69.723 69.723 3
32 Ge germanium 72.630(8) 72.630(8) 72.630(8) 72.630 3 2009
33 As arsenic 74.921595(6) 74.922 74.922 74.922 6
34 Se selenium 78.971(8) 78.971(8) 78.971(8) 78.971 3
35 Br bromine [79.90179.907] [79.90179.907] 79.904 79.904 79.904 3 2011
36 Kr krypton 83.798(2) 83.798(2) 83.798(2) 83.798 3
37 Rb rubidium 85.4678(3) 85.468 85.468 85.468 4
38 Sr strontium 87.62(1) 87.62 87.62 87.62 2
39 Y yttrium 88.90584(1) 88.906 88.906 88.906 5 2017
40 Zr zirconium 91.224(2) 91.224(2) 91.224(2) 91.224 3
41 Nb niobium 92.90637(1) 92.906 92.906 92.906 5 2017
42 Mo molybdenum 95.95(1) 95.95 95.95 95.95 2
43 Tc technetium - 97 0
44 Ru ruthenium 101.07(2) 101.07(2) 101.07(2) 101.07 2
45 Rh rhodium 102.90549(2) 102.91 102.91 102.91 5 2017
46 Pd palladium 106.42(1) 106.42 106.42 106.42 2
47 Ag silver 107.8682(2) 107.87 107.87 107.87 4
48 Cd cadmium 112.414(4) 112.41 112.41 112.41 3
49 In indium 114.818(1) 114.82 114.82 114.82 3
50 Sn tin 118.710(7) 118.71 118.71 118.71 3
51 Sb antimony 121.760(1) 121.76 121.76 121.76 3
52 Te tellurium 127.60(3) 127.60(3) 127.60(3) 127.60 2
53 I iodine 126.90447(3) 126.90 126.90 126.90 5
54 Xe xenon 131.293(6) 131.29 131.29 131.29 3
55 Cs caesium 132.90545196(6) 132.91 132.91 132.91 8
56 Ba barium 137.327(7) 137.33 137.33 137.33 3
57 La lanthanum 138.90547(7) 138.91 138.91 138.91 5
58 Ce cerium 140.116(1) 140.12 140.12 140.12 3
59 Pr praseodymium 140.90766(1) 140.91 140.91 140.91 5 2017
60 Nd neodymium 144.242(3) 144.24 144.24 144.24 3
61 Pm promethium - 145 0
62 Sm samarium 150.36(2) 150.36(2) 150.36(2) 150.36 2
63 Eu europium 151.964(1) 151.96 151.96 151.96 3
64 Gd gadolinium 157.25(3) 157.25(3) 157.25(3) 157.25 2
65 Tb terbium 158.925354(8) 158.93 158.93 158.93 6 2017
66 Dy dysprosium 162.500(1) 162.50 162.50 162.50 3
67 Ho holmium 164.930328(7) 164.93 164.93 164.93 6 2017
68 Er erbium 167.259(3) 167.26 167.26 167.26 3
69 Tm thulium 168.934218(6) 168.93 168.93 168.93 6 2017
70 Yb ytterbium 173.045(10) 173.05 173.05 173.05 3 2015
71 Lu lutetium 174.9668(1) 174.97 174.97 174.97 4
72 Hf hafnium 178.49(2) 178.49(2) 178.49(2) 178.49 2
73 Ta tantalum 180.94788(2) 180.95 180.95 180.95 5
74 W tungsten 183.84(1) 183.84 183.84 183.84 2
75 Re rhenium 186.207(1) 186.21 186.21 186.21 3
76 Os osmium 190.23(3) 190.23(3) 190.23(3) 190.23 2
77 Ir iridium 192.217(2) 192.22 192.22 192.22 3 2017
78 Pt platinum 195.084(9) 195.08 195.08 195.08 3
79 Au gold 196.966570(4) 196.97 196.97 196.97 6 2017
80 Hg mercury 200.592(3) 200.59 200.59 200.59 3
81 Tl thallium [204.382204.385] [204.38204.39] 204.38 204.38 204.38 2 2009
82 Pb lead 207.2(1) 207.2 207.2 207.2 1
83 Bi bismuth 208.98040(1) 208.98 208.98 208.98 5
84 Po polonium - 209 0
85 At astatine - 210 0
86 Rn radon - 222 0
87 Fr francium - 223 0
88 Ra radium - 226 0
89 Ac actinium - 227 0
90 Th thorium 232.0377(4) 232.04 232.04 232.04 4
91 Pa protactinium 231.03588(1) 231.04 231.04 231.04 5 2017
92 U uranium 238.02891(3) 238.03 238.03 238.03 5
93 Np neptunium - 237 0
94 Pu plutonium - 244 0
95 Am americium - 243 0
96 Cm curium - 247 0
97 Bk berkelium - 247 0
98 Cf californium - 251 0
99 Es einsteinium - 252 0
100 Fm fermium - 257 0
101 Md mendelevium - 258 0
102 No nobelium - 259 0
103 Lr lawrencium - 266 0
104 Rf rutherfordium - 267 0
105 Db dubnium - 268 0
106 Sg seaborgium - 269 0
107 Bh bohrium - 270 0
108 Hs hassium - 269 0
109 Mt meitnerium - 278 0
110 Ds darmstadtium - 281 0
111 Rg roentgenium - 282 0
112 Cn copernicium - 285 0
113 Nh nihonium - 286 0
114 Fl flerovium - 289 0
115 Mc moscovium - 290 0
116 Lv livermorium - 293 0
117 Ts tennessine - 294 0
118 Og oganesson - 294 0
119 Uue ununennium - 315 (predicted) 0
120 Ubn unbinilium - unconfirmed: 299 0
121 Ubu unbiunium - 320 (predicted) 0

ReferencesEdit

  1. ^ Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
  2. ^ IUPAC 2016, Table 1.
  3. ^ IUPAC 2016, Table 2.
  4. ^ IUPAC 2016, Table 3.

UpdatesEdit

  (This list: )CIAAW may publish changes to atomic weights (including its precision and derived values). Since 1947, any update this is done in uneven years nominally; the actual date of publication may be some time later.
  • 2009 {{CIAAW2009}} (introducing interval notation; Ge):
"Atomic weights of the elements 2009 (IUPAC Technical Report)". Pure Appl. Chem. 83 (2): 359–396. 12 December 2010. doi:10.1351/PAC-REP-10-09-14.
"Atomic weights of the elements 2011 (IUPAC Technical Report)". Pure Appl. Chem. 85 (5): 1047–1078. 29 April 2013. doi:10.1351/PAC-REP-13-03-02.
Meija, Juris; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305.
"Standard Atomic Weight of Ytterbium Revised". Chemistry International. 37 (5–6): 26. October 2015. doi:10.1515/ci-2015-0512. eISSN 0193-6484. ISSN 0193-6484.
"Standard atomic weights of 14 chemical elements revised". CIAAW. 2018-06-05.

See alsoEdit