quantitykind:MassNumber

PredicateObject
rdf:type qudt:QuantityKind
dcterms:description The "Mass Number" (A), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. Nuclides with the same value of \(A\) are called isobars.
qudt:applicableUnit unit:NUM
qudt:hasDimensionVector qkdv:A0E0L0I0M0H0T0D1
qudt:informativeReference http://en.wikipedia.org/wiki/Mass_number
qudt:isoNormativeReference http://www.iso.org/iso/catalogue_detail?csnumber=31895
qudt:latexDefinition \(A = Z + N\), where \(Z\) is the atomic number and \(N\) is the neutron number.
qudt:symbol “A”
qudt:wikidataMatch http://www.wikidata.org/entity/Q101395
rdfs:comment “Applicable units are those of quantitykind:MassNumber”
rdfs:isDefinedBy http://qudt.org/3.1.10/vocab/quantitykind
rdfs:label “Mass Number”@en
skos:broader quantitykind:Count
Generated 2026-01-15T09:03:10.866-05:00