PROTOTYPE: a suggestion, not an official CIAAW or IUPAC page. Official values are at ciaaw.org.
IUPAC Project 2019-020-2-024Linked-data suggestion · unofficial prototype

molybdenum

Property Value
Symbol Mo
Atomic number 42
IRI https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/Molybdenum
Wikidata Q1053

Standard atomic weight

Value Year Source Status Declaration
95.95(1) 2013 10.1515/pac-2015-0305 Current AW-Mo-standard
95.96(2) 2007 10.1351/PAC-REP-09-08-03 Deprecated, see AW-Mo-standard AW-Mo-standard-2007
95.94(2) 2001 10.1351/pac200375081107 Deprecated, see AW-Mo-standard-2007 AW-Mo-standard-2001
95.94(1) 1975 10.1351/pac197647010075 Deprecated, see AW-Mo-standard-2001 AW-Mo-standard-1975
95.94(3) 1969 10.1351/pac197021010091 Deprecated, see AW-Mo-standard-1975 AW-Mo-standard-1969
95.94 1961 10.1021/ja00881a001 Deprecated, see AW-Mo-standard-1969 AW-Mo-standard-1961
95.95 1938 10.1039/JR9380001101 Deprecated, see AW-Mo-standard-1961 AW-Mo-standard-1938
96 1902 10.1007/BF01370337 Deprecated, see AW-Mo-standard-1938 AW-Mo-standard-1902

Notes: g

Isotopes

A Representative isotopic composition Year Source Declaration ChEBI Wikidata
92 0.146 49(106) — — Abundance-Mo92 — Q4499982
94 0.091 87(33) — — Abundance-Mo94 — Q13860694
95 0.158 73(30) — — Abundance-Mo95 — Q3355387
96 0.166 73(8) — — Abundance-Mo96 — Q1928853
97 0.095 82(15) — — Abundance-Mo97 — Q2690215
98 0.242 92(80) — — Abundance-Mo98 — Q2019439
100 0.097 44(65) — — Abundance-Mo100 — Q4689619

Notes: g

Notes

g Geological and biological materials are known in which the element has an isotopic composition outside the limits for normal material. The difference between the atomic weight of the element in such materials and that given in the table may exceed the stated uncertainty.

Bibliography

(1976). Pure and Applied Chemistry, 47(1), 75–96. https://doi.org/10.1351/pac197647010075 CrossRef Scholia
Atomic weights of the elements 1969. (1970). Pure and Applied Chemistry, 21(1), 91–108. https://doi.org/10.1351/pac197021010091 CrossRef Scholia
Baxter, G. P., Hönigschmid, O., & Lebeau, P. (1938). Eighth Report of the Committee on Atomic Weights of the International Union of Chemistry. J. Chem. Soc., 0(0), 1101–1109. https://doi.org/10.1039/jr9380001101 CrossRef Scholia
Cameron, A. E., & Wichers, Edward. (1962). Report of the International Commission on Atomic Weights*(1961). Journal of the American Chemical Society, 84(22), 4175–4197. https://doi.org/10.1021/ja00881a001 CrossRef Scholia
Loss, R. D. (2003). Atomic weights of the elements 2001 (IUPAC Technical Report). Pure and Applied Chemistry, 75(8), 1107–1122. https://doi.org/10.1351/pac200375081107 CrossRef Scholia
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), 265–291. https://doi.org/10.1515/pac-2015-0305 CrossRef Scholia
Richards, Baxter, Hinrichsen, Köthner, P., & Pellini, S. (1902). Zur Festsetzung der Atomgewichte. Fresenius’ Zeitschrift für analytische Chemie, 41(2), 139–140. https://doi.org/10.1007/bf01370337 CrossRef Scholia
Wieser, M. E., & Berglund, M. (2009). Atomic weights of the elements 2007 (IUPAC Technical Report). Pure and Applied Chemistry, 81(11), 2131–2156. https://doi.org/10.1351/pac-rep-09-08-03 CrossRef Scholia

Turtle

This resource as a file: Molybdenum.ttl

# Prototype: a suggestion, not an official CIAAW or IUPAC record. Official values are at https://ciaaw.org

@prefix adms: <http://www.w3.org/ns/adms#> .
@prefix chemrof: <https://w3id.org/chemrof/> .
@prefix ciaaw: <https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/ciaaw-draft#> .
@prefix ciaaw_draft: <https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/id/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix element: <https://hendrikborgelt.github.io/Draft_for_IUPAC_CIAAW-Isotopic-Abundances-and-Atomic-Weights/elements/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unit: <http://qudt.org/vocab/unit/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

ciaaw:note-g a ciaaw:Footnote ;
    skos:definition "Geological and biological materials are known in which the element has an isotopic composition outside the limits for normal material. The difference between the atomic weight of the element in such materials and that given in the table may exceed the stated uncertainty."@en ;
    skos:notation "g" .

ciaaw_draft:AW-Mo-standard-1902 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Mo-standard-1938 ;
    dcterms:issued "1902"^^xsd:gYear ;
    dcterms:source <https://doi.org/10.1007/BF01370337> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Molybdenum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 96.0 ] .

ciaaw_draft:AW-Mo-standard a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:issued "2013"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Mo-standard-2007 ;
    dcterms:source <https://doi.org/10.1515/pac-2015-0305> ;
    ciaaw:footnote ciaaw:note-g ;
    ciaaw:ofElement element:Molybdenum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 95.95 ;
            qudt:standardUncertainty 0.01 ;
            ciaaw:significantFigures 4 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Mo-standard-1938 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Mo-standard-1961 ;
    dcterms:issued "1938"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Mo-standard-1902 ;
    dcterms:source <https://doi.org/10.1039/JR9380001101> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Molybdenum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 95.95 ] .

ciaaw_draft:AW-Mo-standard-1961 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Mo-standard-1969 ;
    dcterms:issued "1961"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Mo-standard-1938 ;
    dcterms:source <https://doi.org/10.1021/ja00881a001> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Molybdenum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 95.94 ] .

ciaaw_draft:AW-Mo-standard-1969 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Mo-standard-1975 ;
    dcterms:issued "1969"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Mo-standard-1961 ;
    dcterms:source <https://doi.org/10.1351/pac197021010091> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Molybdenum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 95.94 ;
            qudt:standardUncertainty 0.03 ;
            ciaaw:significantFigures 4 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Mo-standard-1975 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Mo-standard-2001 ;
    dcterms:issued "1975"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Mo-standard-1969 ;
    dcterms:source <https://doi.org/10.1351/pac197647010075> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Molybdenum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 95.94 ;
            qudt:standardUncertainty 0.01 ;
            ciaaw:significantFigures 4 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Mo-standard-2001 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Mo-standard-2007 ;
    dcterms:issued "2001"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Mo-standard-1975 ;
    dcterms:source <https://doi.org/10.1351/pac200375081107> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Molybdenum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 95.94 ;
            qudt:standardUncertainty 0.02 ;
            ciaaw:significantFigures 4 ;
            ciaaw:significantFiguresUncertainty 1 ] .

ciaaw_draft:AW-Mo-standard-2007 a ciaaw:StandardAtomicWeightDeclaration ;
    dcterms:isReplacedBy ciaaw_draft:AW-Mo-standard ;
    dcterms:issued "2007"^^xsd:gYear ;
    dcterms:replaces ciaaw_draft:AW-Mo-standard-2001 ;
    dcterms:source <https://doi.org/10.1351/PAC-REP-09-08-03> ;
    owl:deprecated true ;
    adms:status <http://purl.org/adms/status/Deprecated> ;
    ciaaw:ofElement element:Molybdenum ;
    ciaaw:value [ a qudt:QuantityValue ;
            qudt:hasUnit unit:UNITLESS ;
            qudt:numericValue 95.96 ;
            qudt:standardUncertainty 0.02 ;
            ciaaw:significantFigures 4 ;
            ciaaw:significantFiguresUncertainty 1 ] .

element:Molybdenum a chemrof:ChemicalElement ;
    rdfs:label "molybdenum"@en ;
    ciaaw:currentStandardAtomicWeight ciaaw_draft:AW-Mo-standard ;
    ciaaw:hasDeclaration ciaaw_draft:AW-Mo-standard,
        ciaaw_draft:AW-Mo-standard-1902,
        ciaaw_draft:AW-Mo-standard-1938,
        ciaaw_draft:AW-Mo-standard-1961,
        ciaaw_draft:AW-Mo-standard-1969,
        ciaaw_draft:AW-Mo-standard-1975,
        ciaaw_draft:AW-Mo-standard-2001,
        ciaaw_draft:AW-Mo-standard-2007 ;
    ciaaw:hasIsotope ciaaw_draft:Mo-100,
        ciaaw_draft:Mo-92,
        ciaaw_draft:Mo-94,
        ciaaw_draft:Mo-95,
        ciaaw_draft:Mo-96,
        ciaaw_draft:Mo-97,
        ciaaw_draft:Mo-98 ;
    ciaaw:standardAtomicWeightUncertainty 0.01 ;
    ciaaw:standardAtomicWeightValue 95.95 ;
    chemrof:atomic_number 42 ;
    chemrof:symbol "Mo" .

All atomic weights · All isotopic abundances