ഫലകം:CIAAW2016

ഫലകത്തിന്റെ വിവരണം

{{CIAAW2016}} adds a full reference (<ref>...</ref>) for the standard atomic weight (A_{r, standard}) of chemical elements as defined by IUPAC (commission: CIAAW). The source is:

• Meija, J.; Coplen, T.B.; Berglund, M.; Brand, W.A.; De Bièvre, P.; Gröning, M.; Holden, N.E.; Irrgeher, J.; Loss, R.D.; Walczyk, T.; Prohaska, T. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)

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Notes

• This report was published in February 2016, while it documents the 2013 CIAAW list publication.
• As CIAAW publishes the atomic weights biannually, in 2015 the website published a new list of standard atomic weights. It appears that in 2015, only the formal standard atomic weight of ytterbium (₇₀Yb) was changed wrt the "2013" publication. In 2017, no changes were published at all.

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{{CIAAW2016|plain}} → Meija, J.; Coplen, T.B.; Berglund, M.; Brand, W.A.; De Bièvre, P.; Gröning, M.; Holden, N.E.; Irrgeher, J.; Loss, R.D.; Walczyk, T.; Prohaska, T. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)

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{{CIAAW2016|name}} → (<ref "CIAW2016" />, for a second usage))

CIAAW

Primarily, the atomic weights second here are defined by CIAAW [1]:

• "Standard Atomic Weights". Commission on Isotopic Abundances and Atomic Weights (CIAAW). 2015. Retrieved 2015-09-20. (68 elements)
• CIAAW also published additional lists in spreadsheet format (2013). It has additional conventional values for trade usage, and some background information on the numbers and calculations. (12 elements: H, B, Br, C, Cl, Li, Mg, N, O, S, Si, Tl).

Coplen, T. B.; Brand, W. A. (2013). "Atomic weights of the elements 2013 (xls)". CIAAW. Retrieved 2015-05-26. {{cite web}}: Unknown parameter |displayauthors= ignored (|display-authors= suggested) (help)

• Some unstable elements can naturally occur, and so are listed (4 elements: Bi, Th, Pa, U)
• Additional values are those of the most stable isotopes, as given in List of chemical elements (34 elements). This source is not supported by the CIAAW publications.

• CIAAW site or table 1 in PAC, has footnotes g, m, r.

Standard atomic weights

Atomic number Z	Element	Molar mass g/mol	Note
1	H	1.008
2	He	4.002602
3	Li	6.94
4	Be	9.0121831
5	B	10.81
6	C	12.011
7	N	14.007
8	O	15.999
9	F	18.998403163
10	Ne	20.1797
11	Na	22.98976928
12	Mg	24.305
13	Al	26.9815385
14	Si	28.085
15	P	30.973761998
16	S	32.06
17	Cl	35.45
18	Ar	39.948
19	K	39.0983
20	Ca	40.078
21	Sc	44.955908
22	Ti	47.867
23	V	50.9415
24	Cr	51.9961
25	Mn	54.938044
26	Fe	55.845
27	Co	58.933194
28	Ni	58.6934
29	Cu	63.546
30	Zn	65.38
31	Ga	69.723
32	Ge	72.63
33	As	74.921595
34	Se	78.971
35	Br	79.904
36	Kr	83.798
37	Rb	85.4678
38	Sr	87.62
39	Y	88.90584
40	Zr	91.224
41	Nb	92.90637
42	Mo	95.95
43	Tc	98
44	Ru	101.07
45	Rh	102.9055
46	Pd	106.42
47	Ag	107.8682
48	Cd	112.414
49	In	114.818
50	Sn	118.71
51	Sb	121.76
52	Te	127.6	(Does not follow atomic number)
53	I	126.90447	(Does not follow atomic number)
54	Xe	131.293
55	Cs	132.90545196
56	Ba	137.327
57	La	138.90547
58	Ce	140.116
59	Pr	140.90766
60	Nd	144.242
61	Pm	145
62	Sm	150.36
63	Eu	151.964
64	Gd	157.25
65	Tb	158.92535
66	Dy	162.5
67	Ho	164.93033
68	Er	167.259
69	Tm	168.93422
70	Yb	173.045
71	Lu	174.9668
72	Hf	178.49
73	Ta	180.94788
74	W	183.84
75	Re	186.207
76	Os	190.23
77	Ir	192.217
78	Pt	195.084
79	Au	196.966569
80	Hg	200.592
81	Tl	204.38
82	Pb	207.2
83	Bi	208.9804
84	Po	209
85	At	210
86	Rn	222
87	Fr	223
88	Ra	226
89	Ac	227
90	Th	232.0377
91	Pa	231.03588
92	U	238.02891
93	Np	237
94	Pu	244
95	Am	243
96	Cm	247
97	Bk	247
98	Cf	251
99	Es	252
100	Fm	257
101	Md	258
102	No	259
103	Lr	266
104	Rf	267
105	Db	268
106	Sg	269
107	Bh	270
108	Hs	269
109	Mt	278
110	Ds	281
111	Rg	281
112	Cn	285
113	Nh	286
114	Fl	289
115	Mc	289
116	Lv	293
117	Ts	294
118	Og	294

References

These references will appear in the article, but this list appears only on this page.